Home / 13,598.81-20,402.30-11,248.19

Finding the Fourth Proportional to 13,598.81, 20,402.30 and 11,248.19

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Solution

The fourth proportional to 13,598.81, 20,402.30 and 11,248.19 is: 16,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.81 : 20,402.30 = 11,248.19 : x
  2. Step 2: Convert to fraction form
    13,598.81/20,402.30 = 11,248.19/x
  3. Step 3: Cross multiply
    13,598.81x = 20,402.30 × 11,248.19
  4. Step 4: Simplify right side
    13,598.81x = 229,488,946.84
  5. Step 5: Solve for x
    x = 229,488,946.84/13,598.81
  6. Step 6: Final answer
    x = 16,875.66

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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.