Home / 14,498.04-20,013.40-9,788.70

Finding the Fourth Proportional to 14,498.04, 20,013.40 and 9,788.70

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Solution

The fourth proportional to 14,498.04, 20,013.40 and 9,788.70 is: 13,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.04 : 20,013.40 = 9,788.70 : x
  2. Step 2: Convert to fraction form
    14,498.04/20,013.40 = 9,788.70/x
  3. Step 3: Cross multiply
    14,498.04x = 20,013.40 × 9,788.70
  4. Step 4: Simplify right side
    14,498.04x = 195,905,168.58
  5. Step 5: Solve for x
    x = 195,905,168.58/14,498.04
  6. Step 6: Final answer
    x = 13,512.53

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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.