Home / 10,660.32-14,701.23-8,427.51

Finding the Fourth Proportional to 10,660.32, 14,701.23 and 8,427.51

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Solution

The fourth proportional to 10,660.32, 14,701.23 and 8,427.51 is: 11,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.32 : 14,701.23 = 8,427.51 : x
  2. Step 2: Convert to fraction form
    10,660.32/14,701.23 = 8,427.51/x
  3. Step 3: Cross multiply
    10,660.32x = 14,701.23 × 8,427.51
  4. Step 4: Simplify right side
    10,660.32x = 123,894,762.84
  5. Step 5: Solve for x
    x = 123,894,762.84/10,660.32
  6. Step 6: Final answer
    x = 11,622.05

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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.