Home / 15,316.20-22,987.80-9,068.40

Finding the Fourth Proportional to 15,316.20, 22,987.80 and 9,068.40

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Solution

The fourth proportional to 15,316.20, 22,987.80 and 9,068.40 is: 13,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.20 : 22,987.80 = 9,068.40 : x
  2. Step 2: Convert to fraction form
    15,316.20/22,987.80 = 9,068.40/x
  3. Step 3: Cross multiply
    15,316.20x = 22,987.80 × 9,068.40
  4. Step 4: Simplify right side
    15,316.20x = 208,462,565.52
  5. Step 5: Solve for x
    x = 208,462,565.52/15,316.20
  6. Step 6: Final answer
    x = 13,610.59

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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.