Home / 15,642.86-23,346.80-13,525.14

Finding the Fourth Proportional to 15,642.86, 23,346.80 and 13,525.14

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Solution

The fourth proportional to 15,642.86, 23,346.80 and 13,525.14 is: 20,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.86 : 23,346.80 = 13,525.14 : x
  2. Step 2: Convert to fraction form
    15,642.86/23,346.80 = 13,525.14/x
  3. Step 3: Cross multiply
    15,642.86x = 23,346.80 × 13,525.14
  4. Step 4: Simplify right side
    15,642.86x = 315,768,738.55
  5. Step 5: Solve for x
    x = 315,768,738.55/15,642.86
  6. Step 6: Final answer
    x = 20,186.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.