Home / 10,257.24-15,371.10-6,359.40

Finding the Fourth Proportional to 10,257.24, 15,371.10 and 6,359.40

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Solution

The fourth proportional to 10,257.24, 15,371.10 and 6,359.40 is: 9,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.24 : 15,371.10 = 6,359.40 : x
  2. Step 2: Convert to fraction form
    10,257.24/15,371.10 = 6,359.40/x
  3. Step 3: Cross multiply
    10,257.24x = 15,371.10 × 6,359.40
  4. Step 4: Simplify right side
    10,257.24x = 97,750,973.34
  5. Step 5: Solve for x
    x = 97,750,973.34/10,257.24
  6. Step 6: Final answer
    x = 9,529.95

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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.