Home / 10,122.48-15,152.58-6,604.91

Finding the Fourth Proportional to 10,122.48, 15,152.58 and 6,604.91

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Solution

The fourth proportional to 10,122.48, 15,152.58 and 6,604.91 is: 9,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.48 : 15,152.58 = 6,604.91 : x
  2. Step 2: Convert to fraction form
    10,122.48/15,152.58 = 6,604.91/x
  3. Step 3: Cross multiply
    10,122.48x = 15,152.58 × 6,604.91
  4. Step 4: Simplify right side
    10,122.48x = 100,081,389.65
  5. Step 5: Solve for x
    x = 100,081,389.65/10,122.48
  6. Step 6: Final answer
    x = 9,887.05

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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.