Home / 10,860.96-14,988.45-6,145.14

Finding the Fourth Proportional to 10,860.96, 14,988.45 and 6,145.14

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Solution

The fourth proportional to 10,860.96, 14,988.45 and 6,145.14 is: 8,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.96 : 14,988.45 = 6,145.14 : x
  2. Step 2: Convert to fraction form
    10,860.96/14,988.45 = 6,145.14/x
  3. Step 3: Cross multiply
    10,860.96x = 14,988.45 × 6,145.14
  4. Step 4: Simplify right side
    10,860.96x = 92,106,123.63
  5. Step 5: Solve for x
    x = 92,106,123.63/10,860.96
  6. Step 6: Final answer
    x = 8,480.48

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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.