Home / 14,987.47-20,681.34-9,600.36

Finding the Fourth Proportional to 14,987.47, 20,681.34 and 9,600.36

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Solution

The fourth proportional to 14,987.47, 20,681.34 and 9,600.36 is: 13,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.47 : 20,681.34 = 9,600.36 : x
  2. Step 2: Convert to fraction form
    14,987.47/20,681.34 = 9,600.36/x
  3. Step 3: Cross multiply
    14,987.47x = 20,681.34 × 9,600.36
  4. Step 4: Simplify right side
    14,987.47x = 198,548,309.28
  5. Step 5: Solve for x
    x = 198,548,309.28/14,987.47
  6. Step 6: Final answer
    x = 13,247.62

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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.