Home / 13,339.08-19,959.35-10,977.12

Finding the Fourth Proportional to 13,339.08, 19,959.35 and 10,977.12

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Solution

The fourth proportional to 13,339.08, 19,959.35 and 10,977.12 is: 16,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.08 : 19,959.35 = 10,977.12 : x
  2. Step 2: Convert to fraction form
    13,339.08/19,959.35 = 10,977.12/x
  3. Step 3: Cross multiply
    13,339.08x = 19,959.35 × 10,977.12
  4. Step 4: Simplify right side
    13,339.08x = 219,096,125.19
  5. Step 5: Solve for x
    x = 219,096,125.19/13,339.08
  6. Step 6: Final answer
    x = 16,425.13

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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.