Home / 15,077.48-20,800.14-9,773.60

Finding the Fourth Proportional to 15,077.48, 20,800.14 and 9,773.60

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Solution

The fourth proportional to 15,077.48, 20,800.14 and 9,773.60 is: 13,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.48 : 20,800.14 = 9,773.60 : x
  2. Step 2: Convert to fraction form
    15,077.48/20,800.14 = 9,773.60/x
  3. Step 3: Cross multiply
    15,077.48x = 20,800.14 × 9,773.60
  4. Step 4: Simplify right side
    15,077.48x = 203,292,248.30
  5. Step 5: Solve for x
    x = 203,292,248.30/15,077.48
  6. Step 6: Final answer
    x = 13,483.17

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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.