Home / 10,950.77-15,106.65-6,472.36

Finding the Fourth Proportional to 10,950.77, 15,106.65 and 6,472.36

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Solution

The fourth proportional to 10,950.77, 15,106.65 and 6,472.36 is: 8,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.77 : 15,106.65 = 6,472.36 : x
  2. Step 2: Convert to fraction form
    10,950.77/15,106.65 = 6,472.36/x
  3. Step 3: Cross multiply
    10,950.77x = 15,106.65 × 6,472.36
  4. Step 4: Simplify right side
    10,950.77x = 97,775,677.19
  5. Step 5: Solve for x
    x = 97,775,677.19/10,950.77
  6. Step 6: Final answer
    x = 8,928.66

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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.