Home / 15,423.69-23,131.49-5,561.13

Finding the Fourth Proportional to 15,423.69, 23,131.49 and 5,561.13

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Solution

The fourth proportional to 15,423.69, 23,131.49 and 5,561.13 is: 8,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.69 : 23,131.49 = 5,561.13 : x
  2. Step 2: Convert to fraction form
    15,423.69/23,131.49 = 5,561.13/x
  3. Step 3: Cross multiply
    15,423.69x = 23,131.49 × 5,561.13
  4. Step 4: Simplify right side
    15,423.69x = 128,637,195.18
  5. Step 5: Solve for x
    x = 128,637,195.18/15,423.69
  6. Step 6: Final answer
    x = 8,340.23

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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.