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Finding the Fourth Proportional to 15,307.16, 22,960.02 and 6,420.18

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Solution

The fourth proportional to 15,307.16, 22,960.02 and 6,420.18 is: 9,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.16 : 22,960.02 = 6,420.18 : x
  2. Step 2: Convert to fraction form
    15,307.16/22,960.02 = 6,420.18/x
  3. Step 3: Cross multiply
    15,307.16x = 22,960.02 × 6,420.18
  4. Step 4: Simplify right side
    15,307.16x = 147,407,461.20
  5. Step 5: Solve for x
    x = 147,407,461.20/15,307.16
  6. Step 6: Final answer
    x = 9,629.97

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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.