Home / 14,275.60-19,700.36-7,902.64

Finding the Fourth Proportional to 14,275.60, 19,700.36 and 7,902.64

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Solution

The fourth proportional to 14,275.60, 19,700.36 and 7,902.64 is: 10,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.60 : 19,700.36 = 7,902.64 : x
  2. Step 2: Convert to fraction form
    14,275.60/19,700.36 = 7,902.64/x
  3. Step 3: Cross multiply
    14,275.60x = 19,700.36 × 7,902.64
  4. Step 4: Simplify right side
    14,275.60x = 155,684,823.46
  5. Step 5: Solve for x
    x = 155,684,823.46/14,275.60
  6. Step 6: Final answer
    x = 10,905.66

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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.