Home / 15,320.64-22,990.08-14,348.80

Finding the Fourth Proportional to 15,320.64, 22,990.08 and 14,348.80

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Solution

The fourth proportional to 15,320.64, 22,990.08 and 14,348.80 is: 21,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.64 : 22,990.08 = 14,348.80 : x
  2. Step 2: Convert to fraction form
    15,320.64/22,990.08 = 14,348.80/x
  3. Step 3: Cross multiply
    15,320.64x = 22,990.08 × 14,348.80
  4. Step 4: Simplify right side
    15,320.64x = 329,880,059.90
  5. Step 5: Solve for x
    x = 329,880,059.90/15,320.64
  6. Step 6: Final answer
    x = 21,531.74

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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.