Home / 12,681.38-19,027.54-4,895.66

Finding the Fourth Proportional to 12,681.38, 19,027.54 and 4,895.66

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Solution

The fourth proportional to 12,681.38, 19,027.54 and 4,895.66 is: 7,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681.38 : 19,027.54 = 4,895.66 : x
  2. Step 2: Convert to fraction form
    12,681.38/19,027.54 = 4,895.66/x
  3. Step 3: Cross multiply
    12,681.38x = 19,027.54 × 4,895.66
  4. Step 4: Simplify right side
    12,681.38x = 93,152,366.48
  5. Step 5: Solve for x
    x = 93,152,366.48/12,681.38
  6. Step 6: Final answer
    x = 7,345.60

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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.