Home / 10,225.50-15,248.75-10,132.08

Finding the Fourth Proportional to 10,225.50, 15,248.75 and 10,132.08

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Solution

The fourth proportional to 10,225.50, 15,248.75 and 10,132.08 is: 15,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.50 : 15,248.75 = 10,132.08 : x
  2. Step 2: Convert to fraction form
    10,225.50/15,248.75 = 10,132.08/x
  3. Step 3: Cross multiply
    10,225.50x = 15,248.75 × 10,132.08
  4. Step 4: Simplify right side
    10,225.50x = 154,501,554.90
  5. Step 5: Solve for x
    x = 154,501,554.90/10,225.50
  6. Step 6: Final answer
    x = 15,109.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.