Home / 15,612.47-23,426.39-7,291.27

Finding the Fourth Proportional to 15,612.47, 23,426.39 and 7,291.27

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Solution

The fourth proportional to 15,612.47, 23,426.39 and 7,291.27 is: 10,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.47 : 23,426.39 = 7,291.27 : x
  2. Step 2: Convert to fraction form
    15,612.47/23,426.39 = 7,291.27/x
  3. Step 3: Cross multiply
    15,612.47x = 23,426.39 × 7,291.27
  4. Step 4: Simplify right side
    15,612.47x = 170,808,039.59
  5. Step 5: Solve for x
    x = 170,808,039.59/15,612.47
  6. Step 6: Final answer
    x = 10,940.49

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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.