Home / 15,368.28-23,023.26-9,115.08

Finding the Fourth Proportional to 15,368.28, 23,023.26 and 9,115.08

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Solution

The fourth proportional to 15,368.28, 23,023.26 and 9,115.08 is: 13,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,368.28 : 23,023.26 = 9,115.08 : x
  2. Step 2: Convert to fraction form
    15,368.28/23,023.26 = 9,115.08/x
  3. Step 3: Cross multiply
    15,368.28x = 23,023.26 × 9,115.08
  4. Step 4: Simplify right side
    15,368.28x = 209,858,856.76
  5. Step 5: Solve for x
    x = 209,858,856.76/15,368.28
  6. Step 6: Final answer
    x = 13,655.32

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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.