Home / 15,389.32-23,127.27-9,150.46

Finding the Fourth Proportional to 15,389.32, 23,127.27 and 9,150.46

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Solution

The fourth proportional to 15,389.32, 23,127.27 and 9,150.46 is: 13,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.32 : 23,127.27 = 9,150.46 : x
  2. Step 2: Convert to fraction form
    15,389.32/23,127.27 = 9,150.46/x
  3. Step 3: Cross multiply
    15,389.32x = 23,127.27 × 9,150.46
  4. Step 4: Simplify right side
    15,389.32x = 211,625,159.04
  5. Step 5: Solve for x
    x = 211,625,159.04/15,389.32
  6. Step 6: Final answer
    x = 13,751.43

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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.