Home / 10,934.70-16,368.13-8,837.20

Finding the Fourth Proportional to 10,934.70, 16,368.13 and 8,837.20

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Solution

The fourth proportional to 10,934.70, 16,368.13 and 8,837.20 is: 13,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.70 : 16,368.13 = 8,837.20 : x
  2. Step 2: Convert to fraction form
    10,934.70/16,368.13 = 8,837.20/x
  3. Step 3: Cross multiply
    10,934.70x = 16,368.13 × 8,837.20
  4. Step 4: Simplify right side
    10,934.70x = 144,648,420.23
  5. Step 5: Solve for x
    x = 144,648,420.23/10,934.70
  6. Step 6: Final answer
    x = 13,228.39

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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.