Home / 12,955.42-19,403.90-9,077.14

Finding the Fourth Proportional to 12,955.42, 19,403.90 and 9,077.14

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Solution

The fourth proportional to 12,955.42, 19,403.90 and 9,077.14 is: 13,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.42 : 19,403.90 = 9,077.14 : x
  2. Step 2: Convert to fraction form
    12,955.42/19,403.90 = 9,077.14/x
  3. Step 3: Cross multiply
    12,955.42x = 19,403.90 × 9,077.14
  4. Step 4: Simplify right side
    12,955.42x = 176,131,916.85
  5. Step 5: Solve for x
    x = 176,131,916.85/12,955.42
  6. Step 6: Final answer
    x = 13,595.23

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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.