Home / 10,130.74-15,196.04-3,110.74

Finding the Fourth Proportional to 10,130.74, 15,196.04 and 3,110.74

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Solution

The fourth proportional to 10,130.74, 15,196.04 and 3,110.74 is: 4,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.74 : 15,196.04 = 3,110.74 : x
  2. Step 2: Convert to fraction form
    10,130.74/15,196.04 = 3,110.74/x
  3. Step 3: Cross multiply
    10,130.74x = 15,196.04 × 3,110.74
  4. Step 4: Simplify right side
    10,130.74x = 47,270,929.47
  5. Step 5: Solve for x
    x = 47,270,929.47/10,130.74
  6. Step 6: Final answer
    x = 4,666.09

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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.