Home / 14,276.18-19,700.98-7,902.79

Finding the Fourth Proportional to 14,276.18, 19,700.98 and 7,902.79

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Solution

The fourth proportional to 14,276.18, 19,700.98 and 7,902.79 is: 10,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.18 : 19,700.98 = 7,902.79 : x
  2. Step 2: Convert to fraction form
    14,276.18/19,700.98 = 7,902.79/x
  3. Step 3: Cross multiply
    14,276.18x = 19,700.98 × 7,902.79
  4. Step 4: Simplify right side
    14,276.18x = 155,692,638.72
  5. Step 5: Solve for x
    x = 155,692,638.72/14,276.18
  6. Step 6: Final answer
    x = 10,905.76

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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.