Home / 12,901.36-19,354.20-11,595.28

Finding the Fourth Proportional to 12,901.36, 19,354.20 and 11,595.28

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Solution

The fourth proportional to 12,901.36, 19,354.20 and 11,595.28 is: 17,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.36 : 19,354.20 = 11,595.28 : x
  2. Step 2: Convert to fraction form
    12,901.36/19,354.20 = 11,595.28/x
  3. Step 3: Cross multiply
    12,901.36x = 19,354.20 × 11,595.28
  4. Step 4: Simplify right side
    12,901.36x = 224,417,368.18
  5. Step 5: Solve for x
    x = 224,417,368.18/12,901.36
  6. Step 6: Final answer
    x = 17,394.86

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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.