Home / 22,456.40-31,002.48-14,913.05

Finding the Fourth Proportional to 22,456.40, 31,002.48 and 14,913.05

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Solution

The fourth proportional to 22,456.40, 31,002.48 and 14,913.05 is: 20,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456.40 : 31,002.48 = 14,913.05 : x
  2. Step 2: Convert to fraction form
    22,456.40/31,002.48 = 14,913.05/x
  3. Step 3: Cross multiply
    22,456.40x = 31,002.48 × 14,913.05
  4. Step 4: Simplify right side
    22,456.40x = 462,341,379.35
  5. Step 5: Solve for x
    x = 462,341,379.35/22,456.40
  6. Step 6: Final answer
    x = 20,588.41

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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.