Home / 13,154.99-18,148.51-9,713.82

Finding the Fourth Proportional to 13,154.99, 18,148.51 and 9,713.82

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Solution

The fourth proportional to 13,154.99, 18,148.51 and 9,713.82 is: 13,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.99 : 18,148.51 = 9,713.82 : x
  2. Step 2: Convert to fraction form
    13,154.99/18,148.51 = 9,713.82/x
  3. Step 3: Cross multiply
    13,154.99x = 18,148.51 × 9,713.82
  4. Step 4: Simplify right side
    13,154.99x = 176,291,276.17
  5. Step 5: Solve for x
    x = 176,291,276.17/13,154.99
  6. Step 6: Final answer
    x = 13,401.10

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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.