Home / 15,109.65-22,656.35-13,358.84

Finding the Fourth Proportional to 15,109.65, 22,656.35 and 13,358.84

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Solution

The fourth proportional to 15,109.65, 22,656.35 and 13,358.84 is: 20,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.65 : 22,656.35 = 13,358.84 : x
  2. Step 2: Convert to fraction form
    15,109.65/22,656.35 = 13,358.84/x
  3. Step 3: Cross multiply
    15,109.65x = 22,656.35 × 13,358.84
  4. Step 4: Simplify right side
    15,109.65x = 302,662,374.56
  5. Step 5: Solve for x
    x = 302,662,374.56/15,109.65
  6. Step 6: Final answer
    x = 20,031.06

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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.