Home / 19,340.72-29,013.12-8,248.58

Finding the Fourth Proportional to 19,340.72, 29,013.12 and 8,248.58

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Solution

The fourth proportional to 19,340.72, 29,013.12 and 8,248.58 is: 12,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.72 : 29,013.12 = 8,248.58 : x
  2. Step 2: Convert to fraction form
    19,340.72/29,013.12 = 8,248.58/x
  3. Step 3: Cross multiply
    19,340.72x = 29,013.12 × 8,248.58
  4. Step 4: Simplify right side
    19,340.72x = 239,317,041.37
  5. Step 5: Solve for x
    x = 239,317,041.37/19,340.72
  6. Step 6: Final answer
    x = 12,373.74

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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.