Home / 18,085.40-24,959.66-10,428.88

Finding the Fourth Proportional to 18,085.40, 24,959.66 and 10,428.88

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Solution

The fourth proportional to 18,085.40, 24,959.66 and 10,428.88 is: 14,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.40 : 24,959.66 = 10,428.88 : x
  2. Step 2: Convert to fraction form
    18,085.40/24,959.66 = 10,428.88/x
  3. Step 3: Cross multiply
    18,085.40x = 24,959.66 × 10,428.88
  4. Step 4: Simplify right side
    18,085.40x = 260,301,298.98
  5. Step 5: Solve for x
    x = 260,301,298.98/18,085.40
  6. Step 6: Final answer
    x = 14,392.90

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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.