Home / 11,313.32-16,981.50-8,030.12

Finding the Fourth Proportional to 11,313.32, 16,981.50 and 8,030.12

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Solution

The fourth proportional to 11,313.32, 16,981.50 and 8,030.12 is: 12,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.32 : 16,981.50 = 8,030.12 : x
  2. Step 2: Convert to fraction form
    11,313.32/16,981.50 = 8,030.12/x
  3. Step 3: Cross multiply
    11,313.32x = 16,981.50 × 8,030.12
  4. Step 4: Simplify right side
    11,313.32x = 136,363,482.78
  5. Step 5: Solve for x
    x = 136,363,482.78/11,313.32
  6. Step 6: Final answer
    x = 12,053.36

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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.