Home / 13,311.66-19,969.38-7,070.04

Finding the Fourth Proportional to 13,311.66, 19,969.38 and 7,070.04

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Solution

The fourth proportional to 13,311.66, 19,969.38 and 7,070.04 is: 10,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.66 : 19,969.38 = 7,070.04 : x
  2. Step 2: Convert to fraction form
    13,311.66/19,969.38 = 7,070.04/x
  3. Step 3: Cross multiply
    13,311.66x = 19,969.38 × 7,070.04
  4. Step 4: Simplify right side
    13,311.66x = 141,184,315.38
  5. Step 5: Solve for x
    x = 141,184,315.38/13,311.66
  6. Step 6: Final answer
    x = 10,606.06

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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.