Home / 10,359.60-15,539.40-10,294.80

Finding the Fourth Proportional to 10,359.60, 15,539.40 and 10,294.80

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Solution

The fourth proportional to 10,359.60, 15,539.40 and 10,294.80 is: 15,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.60 : 15,539.40 = 10,294.80 : x
  2. Step 2: Convert to fraction form
    10,359.60/15,539.40 = 10,294.80/x
  3. Step 3: Cross multiply
    10,359.60x = 15,539.40 × 10,294.80
  4. Step 4: Simplify right side
    10,359.60x = 159,975,015.12
  5. Step 5: Solve for x
    x = 159,975,015.12/10,359.60
  6. Step 6: Final answer
    x = 15,442.20

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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.