Home / 14,483.16-19,987.40-11,333.88

Finding the Fourth Proportional to 14,483.16, 19,987.40 and 11,333.88

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Solution

The fourth proportional to 14,483.16, 19,987.40 and 11,333.88 is: 15,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.16 : 19,987.40 = 11,333.88 : x
  2. Step 2: Convert to fraction form
    14,483.16/19,987.40 = 11,333.88/x
  3. Step 3: Cross multiply
    14,483.16x = 19,987.40 × 11,333.88
  4. Step 4: Simplify right side
    14,483.16x = 226,534,793.11
  5. Step 5: Solve for x
    x = 226,534,793.11/14,483.16
  6. Step 6: Final answer
    x = 15,641.25

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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.