Home / 19,329.68-26,633.80-13,031.12

Finding the Fourth Proportional to 19,329.68, 26,633.80 and 13,031.12

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Solution

The fourth proportional to 19,329.68, 26,633.80 and 13,031.12 is: 17,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.68 : 26,633.80 = 13,031.12 : x
  2. Step 2: Convert to fraction form
    19,329.68/26,633.80 = 13,031.12/x
  3. Step 3: Cross multiply
    19,329.68x = 26,633.80 × 13,031.12
  4. Step 4: Simplify right side
    19,329.68x = 347,068,243.86
  5. Step 5: Solve for x
    x = 347,068,243.86/19,329.68
  6. Step 6: Final answer
    x = 17,955.20

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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.