Home / 10,343.18-15,505.51-5,075.30

Finding the Fourth Proportional to 10,343.18, 15,505.51 and 5,075.30

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Solution

The fourth proportional to 10,343.18, 15,505.51 and 5,075.30 is: 7,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.18 : 15,505.51 = 5,075.30 : x
  2. Step 2: Convert to fraction form
    10,343.18/15,505.51 = 5,075.30/x
  3. Step 3: Cross multiply
    10,343.18x = 15,505.51 × 5,075.30
  4. Step 4: Simplify right side
    10,343.18x = 78,695,114.90
  5. Step 5: Solve for x
    x = 78,695,114.90/10,343.18
  6. Step 6: Final answer
    x = 7,608.41

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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.