Home / 15,400.56-23,089.76-9,465.20

Finding the Fourth Proportional to 15,400.56, 23,089.76 and 9,465.20

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Solution

The fourth proportional to 15,400.56, 23,089.76 and 9,465.20 is: 14,190.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.56 : 23,089.76 = 9,465.20 : x
  2. Step 2: Convert to fraction form
    15,400.56/23,089.76 = 9,465.20/x
  3. Step 3: Cross multiply
    15,400.56x = 23,089.76 × 9,465.20
  4. Step 4: Simplify right side
    15,400.56x = 218,549,196.35
  5. Step 5: Solve for x
    x = 218,549,196.35/15,400.56
  6. Step 6: Final answer
    x = 14,190.99

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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.