Home / 15,598.28-21,519.20-10,885.30

Finding the Fourth Proportional to 15,598.28, 21,519.20 and 10,885.30

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Solution

The fourth proportional to 15,598.28, 21,519.20 and 10,885.30 is: 15,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.28 : 21,519.20 = 10,885.30 : x
  2. Step 2: Convert to fraction form
    15,598.28/21,519.20 = 10,885.30/x
  3. Step 3: Cross multiply
    15,598.28x = 21,519.20 × 10,885.30
  4. Step 4: Simplify right side
    15,598.28x = 234,242,947.76
  5. Step 5: Solve for x
    x = 234,242,947.76/15,598.28
  6. Step 6: Final answer
    x = 15,017.23

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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.