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Finding the Fourth Proportional to 9,792.61, 14,688.90 and 2,397.06

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Solution

The fourth proportional to 9,792.61, 14,688.90 and 2,397.06 is: 3,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.61 : 14,688.90 = 2,397.06 : x
  2. Step 2: Convert to fraction form
    9,792.61/14,688.90 = 2,397.06/x
  3. Step 3: Cross multiply
    9,792.61x = 14,688.90 × 2,397.06
  4. Step 4: Simplify right side
    9,792.61x = 35,210,174.63
  5. Step 5: Solve for x
    x = 35,210,174.63/9,792.61
  6. Step 6: Final answer
    x = 3,595.59

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.