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Finding the Fourth Proportional to 15,482.16, 23,221.08 and 6,246

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Solution

The fourth proportional to 15,482.16, 23,221.08 and 6,246 is: 9,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482.16 : 23,221.08 = 6,246 : x
  2. Step 2: Convert to fraction form
    15,482.16/23,221.08 = 6,246/x
  3. Step 3: Cross multiply
    15,482.16x = 23,221.08 × 6,246
  4. Step 4: Simplify right side
    15,482.16x = 145,038,865.68
  5. Step 5: Solve for x
    x = 145,038,865.68/15,482.16
  6. Step 6: Final answer
    x = 9,368.13

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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.