Home / 14,347.05-19,795.68-8,681.66

Finding the Fourth Proportional to 14,347.05, 19,795.68 and 8,681.66

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Solution

The fourth proportional to 14,347.05, 19,795.68 and 8,681.66 is: 11,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.05 : 19,795.68 = 8,681.66 : x
  2. Step 2: Convert to fraction form
    14,347.05/19,795.68 = 8,681.66/x
  3. Step 3: Cross multiply
    14,347.05x = 19,795.68 × 8,681.66
  4. Step 4: Simplify right side
    14,347.05x = 171,859,264.25
  5. Step 5: Solve for x
    x = 171,859,264.25/14,347.05
  6. Step 6: Final answer
    x = 11,978.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.