Home / 10,295.60-15,434.16-3,720.24

Finding the Fourth Proportional to 10,295.60, 15,434.16 and 3,720.24

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Solution

The fourth proportional to 10,295.60, 15,434.16 and 3,720.24 is: 5,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.60 : 15,434.16 = 3,720.24 : x
  2. Step 2: Convert to fraction form
    10,295.60/15,434.16 = 3,720.24/x
  3. Step 3: Cross multiply
    10,295.60x = 15,434.16 × 3,720.24
  4. Step 4: Simplify right side
    10,295.60x = 57,418,779.40
  5. Step 5: Solve for x
    x = 57,418,779.40/10,295.60
  6. Step 6: Final answer
    x = 5,577.02

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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.