Home / 13,426.68-18,517.47-10,077.36

Finding the Fourth Proportional to 13,426.68, 18,517.47 and 10,077.36

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Solution

The fourth proportional to 13,426.68, 18,517.47 and 10,077.36 is: 13,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.68 : 18,517.47 = 10,077.36 : x
  2. Step 2: Convert to fraction form
    13,426.68/18,517.47 = 10,077.36/x
  3. Step 3: Cross multiply
    13,426.68x = 18,517.47 × 10,077.36
  4. Step 4: Simplify right side
    13,426.68x = 186,607,211.48
  5. Step 5: Solve for x
    x = 186,607,211.48/13,426.68
  6. Step 6: Final answer
    x = 13,898.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.