Home / 15,699.59-23,548.77-5,311.34

Finding the Fourth Proportional to 15,699.59, 23,548.77 and 5,311.34

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Solution

The fourth proportional to 15,699.59, 23,548.77 and 5,311.34 is: 7,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.59 : 23,548.77 = 5,311.34 : x
  2. Step 2: Convert to fraction form
    15,699.59/23,548.77 = 5,311.34/x
  3. Step 3: Cross multiply
    15,699.59x = 23,548.77 × 5,311.34
  4. Step 4: Simplify right side
    15,699.59x = 125,075,524.05
  5. Step 5: Solve for x
    x = 125,075,524.05/15,699.59
  6. Step 6: Final answer
    x = 7,966.80

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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.