Home / 15,583.78-23,368.91-8,561.69

Finding the Fourth Proportional to 15,583.78, 23,368.91 and 8,561.69

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Solution

The fourth proportional to 15,583.78, 23,368.91 and 8,561.69 is: 12,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.78 : 23,368.91 = 8,561.69 : x
  2. Step 2: Convert to fraction form
    15,583.78/23,368.91 = 8,561.69/x
  3. Step 3: Cross multiply
    15,583.78x = 23,368.91 × 8,561.69
  4. Step 4: Simplify right side
    15,583.78x = 200,077,265.45
  5. Step 5: Solve for x
    x = 200,077,265.45/15,583.78
  6. Step 6: Final answer
    x = 12,838.82

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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.