Home / 13,312.76-18,354.55-10,914.04

Finding the Fourth Proportional to 13,312.76, 18,354.55 and 10,914.04

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Solution

The fourth proportional to 13,312.76, 18,354.55 and 10,914.04 is: 15,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.76 : 18,354.55 = 10,914.04 : x
  2. Step 2: Convert to fraction form
    13,312.76/18,354.55 = 10,914.04/x
  3. Step 3: Cross multiply
    13,312.76x = 18,354.55 × 10,914.04
  4. Step 4: Simplify right side
    13,312.76x = 200,322,309.00
  5. Step 5: Solve for x
    x = 200,322,309.00/13,312.76
  6. Step 6: Final answer
    x = 15,047.40

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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.