Home / 10,157.04-15,240.10-6,458.30

Finding the Fourth Proportional to 10,157.04, 15,240.10 and 6,458.30

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Solution

The fourth proportional to 10,157.04, 15,240.10 and 6,458.30 is: 9,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.04 : 15,240.10 = 6,458.30 : x
  2. Step 2: Convert to fraction form
    10,157.04/15,240.10 = 6,458.30/x
  3. Step 3: Cross multiply
    10,157.04x = 15,240.10 × 6,458.30
  4. Step 4: Simplify right side
    10,157.04x = 98,425,137.83
  5. Step 5: Solve for x
    x = 98,425,137.83/10,157.04
  6. Step 6: Final answer
    x = 9,690.34

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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.