Home / 19,615.59-29,426.90-7,153.11

Finding the Fourth Proportional to 19,615.59, 29,426.90 and 7,153.11

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Solution

The fourth proportional to 19,615.59, 29,426.90 and 7,153.11 is: 10,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.59 : 29,426.90 = 7,153.11 : x
  2. Step 2: Convert to fraction form
    19,615.59/29,426.90 = 7,153.11/x
  3. Step 3: Cross multiply
    19,615.59x = 29,426.90 × 7,153.11
  4. Step 4: Simplify right side
    19,615.59x = 210,493,816.89
  5. Step 5: Solve for x
    x = 210,493,816.89/19,615.59
  6. Step 6: Final answer
    x = 10,730.94

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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.