Home / 15,329.12-22,972.40-6,988.74

Finding the Fourth Proportional to 15,329.12, 22,972.40 and 6,988.74

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Solution

The fourth proportional to 15,329.12, 22,972.40 and 6,988.74 is: 10,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.12 : 22,972.40 = 6,988.74 : x
  2. Step 2: Convert to fraction form
    15,329.12/22,972.40 = 6,988.74/x
  3. Step 3: Cross multiply
    15,329.12x = 22,972.40 × 6,988.74
  4. Step 4: Simplify right side
    15,329.12x = 160,548,130.78
  5. Step 5: Solve for x
    x = 160,548,130.78/15,329.12
  6. Step 6: Final answer
    x = 10,473.41

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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.