Home / 14,442.72-19,920.29-9,132.41

Finding the Fourth Proportional to 14,442.72, 19,920.29 and 9,132.41

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Solution

The fourth proportional to 14,442.72, 19,920.29 and 9,132.41 is: 12,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.72 : 19,920.29 = 9,132.41 : x
  2. Step 2: Convert to fraction form
    14,442.72/19,920.29 = 9,132.41/x
  3. Step 3: Cross multiply
    14,442.72x = 19,920.29 × 9,132.41
  4. Step 4: Simplify right side
    14,442.72x = 181,920,110.34
  5. Step 5: Solve for x
    x = 181,920,110.34/14,442.72
  6. Step 6: Final answer
    x = 12,595.98

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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.