Home / 10,581.54-14,587.68-7,390.26

Finding the Fourth Proportional to 10,581.54, 14,587.68 and 7,390.26

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Solution

The fourth proportional to 10,581.54, 14,587.68 and 7,390.26 is: 10,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.54 : 14,587.68 = 7,390.26 : x
  2. Step 2: Convert to fraction form
    10,581.54/14,587.68 = 7,390.26/x
  3. Step 3: Cross multiply
    10,581.54x = 14,587.68 × 7,390.26
  4. Step 4: Simplify right side
    10,581.54x = 107,806,748.00
  5. Step 5: Solve for x
    x = 107,806,748.00/10,581.54
  6. Step 6: Final answer
    x = 10,188.19

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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.