Home / 14,275.34-19,700.97-7,902.21

Finding the Fourth Proportional to 14,275.34, 19,700.97 and 7,902.21

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Solution

The fourth proportional to 14,275.34, 19,700.97 and 7,902.21 is: 10,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.34 : 19,700.97 = 7,902.21 : x
  2. Step 2: Convert to fraction form
    14,275.34/19,700.97 = 7,902.21/x
  3. Step 3: Cross multiply
    14,275.34x = 19,700.97 × 7,902.21
  4. Step 4: Simplify right side
    14,275.34x = 155,681,180.02
  5. Step 5: Solve for x
    x = 155,681,180.02/14,275.34
  6. Step 6: Final answer
    x = 10,905.60

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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.