Home / 15,690.40-23,535.60-5,302.15

Finding the Fourth Proportional to 15,690.40, 23,535.60 and 5,302.15

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Solution

The fourth proportional to 15,690.40, 23,535.60 and 5,302.15 is: 7,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690.40 : 23,535.60 = 5,302.15 : x
  2. Step 2: Convert to fraction form
    15,690.40/23,535.60 = 5,302.15/x
  3. Step 3: Cross multiply
    15,690.40x = 23,535.60 × 5,302.15
  4. Step 4: Simplify right side
    15,690.40x = 124,789,281.54
  5. Step 5: Solve for x
    x = 124,789,281.54/15,690.40
  6. Step 6: Final answer
    x = 7,953.23

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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.