Home / 13,483.64-18,598.34-11,712.18

Finding the Fourth Proportional to 13,483.64, 18,598.34 and 11,712.18

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Solution

The fourth proportional to 13,483.64, 18,598.34 and 11,712.18 is: 16,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.64 : 18,598.34 = 11,712.18 : x
  2. Step 2: Convert to fraction form
    13,483.64/18,598.34 = 11,712.18/x
  3. Step 3: Cross multiply
    13,483.64x = 18,598.34 × 11,712.18
  4. Step 4: Simplify right side
    13,483.64x = 217,827,105.78
  5. Step 5: Solve for x
    x = 217,827,105.78/13,483.64
  6. Step 6: Final answer
    x = 16,154.92

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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.