Home / 13,559.48-20,241.02-11,722.40

Finding the Fourth Proportional to 13,559.48, 20,241.02 and 11,722.40

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Solution

The fourth proportional to 13,559.48, 20,241.02 and 11,722.40 is: 17,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.48 : 20,241.02 = 11,722.40 : x
  2. Step 2: Convert to fraction form
    13,559.48/20,241.02 = 11,722.40/x
  3. Step 3: Cross multiply
    13,559.48x = 20,241.02 × 11,722.40
  4. Step 4: Simplify right side
    13,559.48x = 237,273,332.85
  5. Step 5: Solve for x
    x = 237,273,332.85/13,559.48
  6. Step 6: Final answer
    x = 17,498.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.