Home / 14,111.10-21,166.65-13,892.40

Finding the Fourth Proportional to 14,111.10, 21,166.65 and 13,892.40

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Solution

The fourth proportional to 14,111.10, 21,166.65 and 13,892.40 is: 20,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.10 : 21,166.65 = 13,892.40 : x
  2. Step 2: Convert to fraction form
    14,111.10/21,166.65 = 13,892.40/x
  3. Step 3: Cross multiply
    14,111.10x = 21,166.65 × 13,892.40
  4. Step 4: Simplify right side
    14,111.10x = 294,055,568.46
  5. Step 5: Solve for x
    x = 294,055,568.46/14,111.10
  6. Step 6: Final answer
    x = 20,838.60

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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.