Home / 15,699.12-23,525.63-7,897.20

Finding the Fourth Proportional to 15,699.12, 23,525.63 and 7,897.20

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Solution

The fourth proportional to 15,699.12, 23,525.63 and 7,897.20 is: 11,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.12 : 23,525.63 = 7,897.20 : x
  2. Step 2: Convert to fraction form
    15,699.12/23,525.63 = 7,897.20/x
  3. Step 3: Cross multiply
    15,699.12x = 23,525.63 × 7,897.20
  4. Step 4: Simplify right side
    15,699.12x = 185,786,605.24
  5. Step 5: Solve for x
    x = 185,786,605.24/15,699.12
  6. Step 6: Final answer
    x = 11,834.21

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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.