Home / 15,708.03-23,555.65-7,807.72

Finding the Fourth Proportional to 15,708.03, 23,555.65 and 7,807.72

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Solution

The fourth proportional to 15,708.03, 23,555.65 and 7,807.72 is: 11,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.03 : 23,555.65 = 7,807.72 : x
  2. Step 2: Convert to fraction form
    15,708.03/23,555.65 = 7,807.72/x
  3. Step 3: Cross multiply
    15,708.03x = 23,555.65 × 7,807.72
  4. Step 4: Simplify right side
    15,708.03x = 183,915,919.62
  5. Step 5: Solve for x
    x = 183,915,919.62/15,708.03
  6. Step 6: Final answer
    x = 11,708.40

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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.