Home / 13,275.39-19,925.40-6,706.20

Finding the Fourth Proportional to 13,275.39, 19,925.40 and 6,706.20

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Solution

The fourth proportional to 13,275.39, 19,925.40 and 6,706.20 is: 10,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.39 : 19,925.40 = 6,706.20 : x
  2. Step 2: Convert to fraction form
    13,275.39/19,925.40 = 6,706.20/x
  3. Step 3: Cross multiply
    13,275.39x = 19,925.40 × 6,706.20
  4. Step 4: Simplify right side
    13,275.39x = 133,623,717.48
  5. Step 5: Solve for x
    x = 133,623,717.48/13,275.39
  6. Step 6: Final answer
    x = 10,065.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.