Home / 15,004.40-22,506.60-13,319.60

Finding the Fourth Proportional to 15,004.40, 22,506.60 and 13,319.60

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Solution

The fourth proportional to 15,004.40, 22,506.60 and 13,319.60 is: 19,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.40 : 22,506.60 = 13,319.60 : x
  2. Step 2: Convert to fraction form
    15,004.40/22,506.60 = 13,319.60/x
  3. Step 3: Cross multiply
    15,004.40x = 22,506.60 × 13,319.60
  4. Step 4: Simplify right side
    15,004.40x = 299,778,909.36
  5. Step 5: Solve for x
    x = 299,778,909.36/15,004.40
  6. Step 6: Final answer
    x = 19,979.40

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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.