Home / 15,399.04-23,098.56-4,305.28

Finding the Fourth Proportional to 15,399.04, 23,098.56 and 4,305.28

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Solution

The fourth proportional to 15,399.04, 23,098.56 and 4,305.28 is: 6,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.04 : 23,098.56 = 4,305.28 : x
  2. Step 2: Convert to fraction form
    15,399.04/23,098.56 = 4,305.28/x
  3. Step 3: Cross multiply
    15,399.04x = 23,098.56 × 4,305.28
  4. Step 4: Simplify right side
    15,399.04x = 99,445,768.40
  5. Step 5: Solve for x
    x = 99,445,768.40/15,399.04
  6. Step 6: Final answer
    x = 6,457.92

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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.