Home / 12,437.58-18,652.59-10,240.86

Finding the Fourth Proportional to 12,437.58, 18,652.59 and 10,240.86

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Solution

The fourth proportional to 12,437.58, 18,652.59 and 10,240.86 is: 15,358.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.58 : 18,652.59 = 10,240.86 : x
  2. Step 2: Convert to fraction form
    12,437.58/18,652.59 = 10,240.86/x
  3. Step 3: Cross multiply
    12,437.58x = 18,652.59 × 10,240.86
  4. Step 4: Simplify right side
    12,437.58x = 191,018,562.83
  5. Step 5: Solve for x
    x = 191,018,562.83/12,437.58
  6. Step 6: Final answer
    x = 15,358.18

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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.