Home / 14,276.70-19,701.41-7,903.55

Finding the Fourth Proportional to 14,276.70, 19,701.41 and 7,903.55

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Solution

The fourth proportional to 14,276.70, 19,701.41 and 7,903.55 is: 10,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.70 : 19,701.41 = 7,903.55 : x
  2. Step 2: Convert to fraction form
    14,276.70/19,701.41 = 7,903.55/x
  3. Step 3: Cross multiply
    14,276.70x = 19,701.41 × 7,903.55
  4. Step 4: Simplify right side
    14,276.70x = 155,711,088.74
  5. Step 5: Solve for x
    x = 155,711,088.74/14,276.70
  6. Step 6: Final answer
    x = 10,906.66

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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.