Home / 15,708.40-23,561.80-5,320.24

Finding the Fourth Proportional to 15,708.40, 23,561.80 and 5,320.24

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Solution

The fourth proportional to 15,708.40, 23,561.80 and 5,320.24 is: 7,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.40 : 23,561.80 = 5,320.24 : x
  2. Step 2: Convert to fraction form
    15,708.40/23,561.80 = 5,320.24/x
  3. Step 3: Cross multiply
    15,708.40x = 23,561.80 × 5,320.24
  4. Step 4: Simplify right side
    15,708.40x = 125,354,430.83
  5. Step 5: Solve for x
    x = 125,354,430.83/15,708.40
  6. Step 6: Final answer
    x = 7,980.09

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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.