Home / 15,077.40-22,616.12-5,211.30

Finding the Fourth Proportional to 15,077.40, 22,616.12 and 5,211.30

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Solution

The fourth proportional to 15,077.40, 22,616.12 and 5,211.30 is: 7,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.40 : 22,616.12 = 5,211.30 : x
  2. Step 2: Convert to fraction form
    15,077.40/22,616.12 = 5,211.30/x
  3. Step 3: Cross multiply
    15,077.40x = 22,616.12 × 5,211.30
  4. Step 4: Simplify right side
    15,077.40x = 117,859,386.16
  5. Step 5: Solve for x
    x = 117,859,386.16/15,077.40
  6. Step 6: Final answer
    x = 7,816.96

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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.