Home / 15,782.51-23,641.76-7,337.18

Finding the Fourth Proportional to 15,782.51, 23,641.76 and 7,337.18

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Solution

The fourth proportional to 15,782.51, 23,641.76 and 7,337.18 is: 10,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.51 : 23,641.76 = 7,337.18 : x
  2. Step 2: Convert to fraction form
    15,782.51/23,641.76 = 7,337.18/x
  3. Step 3: Cross multiply
    15,782.51x = 23,641.76 × 7,337.18
  4. Step 4: Simplify right side
    15,782.51x = 173,463,811.95
  5. Step 5: Solve for x
    x = 173,463,811.95/15,782.51
  6. Step 6: Final answer
    x = 10,990.89

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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.