Home / 10,348.80-15,501.60-7,748.16

Finding the Fourth Proportional to 10,348.80, 15,501.60 and 7,748.16

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Solution

The fourth proportional to 10,348.80, 15,501.60 and 7,748.16 is: 11,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.80 : 15,501.60 = 7,748.16 : x
  2. Step 2: Convert to fraction form
    10,348.80/15,501.60 = 7,748.16/x
  3. Step 3: Cross multiply
    10,348.80x = 15,501.60 × 7,748.16
  4. Step 4: Simplify right side
    10,348.80x = 120,108,877.06
  5. Step 5: Solve for x
    x = 120,108,877.06/10,348.80
  6. Step 6: Final answer
    x = 11,606.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.