Home / 10,330.34-15,497.64-5,398.65

Finding the Fourth Proportional to 10,330.34, 15,497.64 and 5,398.65

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Solution

The fourth proportional to 10,330.34, 15,497.64 and 5,398.65 is: 8,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.34 : 15,497.64 = 5,398.65 : x
  2. Step 2: Convert to fraction form
    10,330.34/15,497.64 = 5,398.65/x
  3. Step 3: Cross multiply
    10,330.34x = 15,497.64 × 5,398.65
  4. Step 4: Simplify right side
    10,330.34x = 83,666,334.19
  5. Step 5: Solve for x
    x = 83,666,334.19/10,330.34
  6. Step 6: Final answer
    x = 8,099.09

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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.