Home / 15,818.07-23,730.03-5,287.08

Finding the Fourth Proportional to 15,818.07, 23,730.03 and 5,287.08

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Solution

The fourth proportional to 15,818.07, 23,730.03 and 5,287.08 is: 7,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.07 : 23,730.03 = 5,287.08 : x
  2. Step 2: Convert to fraction form
    15,818.07/23,730.03 = 5,287.08/x
  3. Step 3: Cross multiply
    15,818.07x = 23,730.03 × 5,287.08
  4. Step 4: Simplify right side
    15,818.07x = 125,462,567.01
  5. Step 5: Solve for x
    x = 125,462,567.01/15,818.07
  6. Step 6: Final answer
    x = 7,931.60

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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.