Home / 12,667.76-19,001.61-3,307.74

Finding the Fourth Proportional to 12,667.76, 19,001.61 and 3,307.74

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Solution

The fourth proportional to 12,667.76, 19,001.61 and 3,307.74 is: 4,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.76 : 19,001.61 = 3,307.74 : x
  2. Step 2: Convert to fraction form
    12,667.76/19,001.61 = 3,307.74/x
  3. Step 3: Cross multiply
    12,667.76x = 19,001.61 × 3,307.74
  4. Step 4: Simplify right side
    12,667.76x = 62,852,385.46
  5. Step 5: Solve for x
    x = 62,852,385.46/12,667.76
  6. Step 6: Final answer
    x = 4,961.60

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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.