Home / 10,184.81-15,283.60-5,508.05

Finding the Fourth Proportional to 10,184.81, 15,283.60 and 5,508.05

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Solution

The fourth proportional to 10,184.81, 15,283.60 and 5,508.05 is: 8,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,184.81 : 15,283.60 = 5,508.05 : x
  2. Step 2: Convert to fraction form
    10,184.81/15,283.60 = 5,508.05/x
  3. Step 3: Cross multiply
    10,184.81x = 15,283.60 × 5,508.05
  4. Step 4: Simplify right side
    10,184.81x = 84,182,836.51
  5. Step 5: Solve for x
    x = 84,182,836.51/10,184.81
  6. Step 6: Final answer
    x = 8,265.53

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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.