Home / 18,459.93-25,475.28-10,503.30

Finding the Fourth Proportional to 18,459.93, 25,475.28 and 10,503.30

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Solution

The fourth proportional to 18,459.93, 25,475.28 and 10,503.30 is: 14,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.93 : 25,475.28 = 10,503.30 : x
  2. Step 2: Convert to fraction form
    18,459.93/25,475.28 = 10,503.30/x
  3. Step 3: Cross multiply
    18,459.93x = 25,475.28 × 10,503.30
  4. Step 4: Simplify right side
    18,459.93x = 267,574,508.42
  5. Step 5: Solve for x
    x = 267,574,508.42/18,459.93
  6. Step 6: Final answer
    x = 14,494.88

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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.