Home / 10,145.28-15,220.24-4,302.08

Finding the Fourth Proportional to 10,145.28, 15,220.24 and 4,302.08

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Solution

The fourth proportional to 10,145.28, 15,220.24 and 4,302.08 is: 6,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.28 : 15,220.24 = 4,302.08 : x
  2. Step 2: Convert to fraction form
    10,145.28/15,220.24 = 4,302.08/x
  3. Step 3: Cross multiply
    10,145.28x = 15,220.24 × 4,302.08
  4. Step 4: Simplify right side
    10,145.28x = 65,478,690.10
  5. Step 5: Solve for x
    x = 65,478,690.10/10,145.28
  6. Step 6: Final answer
    x = 6,454.10

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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.