Home / 10,899.06-15,038.91-6,865.26

Finding the Fourth Proportional to 10,899.06, 15,038.91 and 6,865.26

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Solution

The fourth proportional to 10,899.06, 15,038.91 and 6,865.26 is: 9,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.06 : 15,038.91 = 6,865.26 : x
  2. Step 2: Convert to fraction form
    10,899.06/15,038.91 = 6,865.26/x
  3. Step 3: Cross multiply
    10,899.06x = 15,038.91 × 6,865.26
  4. Step 4: Simplify right side
    10,899.06x = 103,246,027.27
  5. Step 5: Solve for x
    x = 103,246,027.27/10,899.06
  6. Step 6: Final answer
    x = 9,472.93

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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.