Home / 13,502.88-20,259.18-4,739.16

Finding the Fourth Proportional to 13,502.88, 20,259.18 and 4,739.16

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Solution

The fourth proportional to 13,502.88, 20,259.18 and 4,739.16 is: 7,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.88 : 20,259.18 = 4,739.16 : x
  2. Step 2: Convert to fraction form
    13,502.88/20,259.18 = 4,739.16/x
  3. Step 3: Cross multiply
    13,502.88x = 20,259.18 × 4,739.16
  4. Step 4: Simplify right side
    13,502.88x = 96,011,495.49
  5. Step 5: Solve for x
    x = 96,011,495.49/13,502.88
  6. Step 6: Final answer
    x = 7,110.45

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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.