Home / 19,358.17-29,017.65-13,118.82

Finding the Fourth Proportional to 19,358.17, 29,017.65 and 13,118.82

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Solution

The fourth proportional to 19,358.17, 29,017.65 and 13,118.82 is: 19,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.17 : 29,017.65 = 13,118.82 : x
  2. Step 2: Convert to fraction form
    19,358.17/29,017.65 = 13,118.82/x
  3. Step 3: Cross multiply
    19,358.17x = 29,017.65 × 13,118.82
  4. Step 4: Simplify right side
    19,358.17x = 380,677,182.08
  5. Step 5: Solve for x
    x = 380,677,182.08/19,358.17
  6. Step 6: Final answer
    x = 19,664.94

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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.