Home / 11,038.50-15,222.33-7,058.16

Finding the Fourth Proportional to 11,038.50, 15,222.33 and 7,058.16

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Solution

The fourth proportional to 11,038.50, 15,222.33 and 7,058.16 is: 9,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.50 : 15,222.33 = 7,058.16 : x
  2. Step 2: Convert to fraction form
    11,038.50/15,222.33 = 7,058.16/x
  3. Step 3: Cross multiply
    11,038.50x = 15,222.33 × 7,058.16
  4. Step 4: Simplify right side
    11,038.50x = 107,441,640.71
  5. Step 5: Solve for x
    x = 107,441,640.71/11,038.50
  6. Step 6: Final answer
    x = 9,733.36

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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.