Home / 15,448.61-21,319.65-9,397.10

Finding the Fourth Proportional to 15,448.61, 21,319.65 and 9,397.10

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Solution

The fourth proportional to 15,448.61, 21,319.65 and 9,397.10 is: 12,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.61 : 21,319.65 = 9,397.10 : x
  2. Step 2: Convert to fraction form
    15,448.61/21,319.65 = 9,397.10/x
  3. Step 3: Cross multiply
    15,448.61x = 21,319.65 × 9,397.10
  4. Step 4: Simplify right side
    15,448.61x = 200,342,776.42
  5. Step 5: Solve for x
    x = 200,342,776.42/15,448.61
  6. Step 6: Final answer
    x = 12,968.34

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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.