Home / 14,127.60-19,495.24-7,839.98

Finding the Fourth Proportional to 14,127.60, 19,495.24 and 7,839.98

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Solution

The fourth proportional to 14,127.60, 19,495.24 and 7,839.98 is: 10,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.60 : 19,495.24 = 7,839.98 : x
  2. Step 2: Convert to fraction form
    14,127.60/19,495.24 = 7,839.98/x
  3. Step 3: Cross multiply
    14,127.60x = 19,495.24 × 7,839.98
  4. Step 4: Simplify right side
    14,127.60x = 152,842,291.70
  5. Step 5: Solve for x
    x = 152,842,291.70/14,127.60
  6. Step 6: Final answer
    x = 10,818.70

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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.