Home / 10,350.90-15,528.35-4,427.70

Finding the Fourth Proportional to 10,350.90, 15,528.35 and 4,427.70

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Solution

The fourth proportional to 10,350.90, 15,528.35 and 4,427.70 is: 6,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.90 : 15,528.35 = 4,427.70 : x
  2. Step 2: Convert to fraction form
    10,350.90/15,528.35 = 4,427.70/x
  3. Step 3: Cross multiply
    10,350.90x = 15,528.35 × 4,427.70
  4. Step 4: Simplify right side
    10,350.90x = 68,754,875.30
  5. Step 5: Solve for x
    x = 68,754,875.30/10,350.90
  6. Step 6: Final answer
    x = 6,642.41

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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.