Home / 14,872.16-20,530.19-9,501.66

Finding the Fourth Proportional to 14,872.16, 20,530.19 and 9,501.66

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Solution

The fourth proportional to 14,872.16, 20,530.19 and 9,501.66 is: 13,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.16 : 20,530.19 = 9,501.66 : x
  2. Step 2: Convert to fraction form
    14,872.16/20,530.19 = 9,501.66/x
  3. Step 3: Cross multiply
    14,872.16x = 20,530.19 × 9,501.66
  4. Step 4: Simplify right side
    14,872.16x = 195,070,837.61
  5. Step 5: Solve for x
    x = 195,070,837.61/14,872.16
  6. Step 6: Final answer
    x = 13,116.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.