Home / 10,903.23-15,045.75-6,426.14

Finding the Fourth Proportional to 10,903.23, 15,045.75 and 6,426.14

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Solution

The fourth proportional to 10,903.23, 15,045.75 and 6,426.14 is: 8,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.23 : 15,045.75 = 6,426.14 : x
  2. Step 2: Convert to fraction form
    10,903.23/15,045.75 = 6,426.14/x
  3. Step 3: Cross multiply
    10,903.23x = 15,045.75 × 6,426.14
  4. Step 4: Simplify right side
    10,903.23x = 96,686,020.68
  5. Step 5: Solve for x
    x = 96,686,020.68/10,903.23
  6. Step 6: Final answer
    x = 8,867.65

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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.