Home / 14,292.16-19,719.32-8,242.24

Finding the Fourth Proportional to 14,292.16, 19,719.32 and 8,242.24

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Solution

The fourth proportional to 14,292.16, 19,719.32 and 8,242.24 is: 11,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.16 : 19,719.32 = 8,242.24 : x
  2. Step 2: Convert to fraction form
    14,292.16/19,719.32 = 8,242.24/x
  3. Step 3: Cross multiply
    14,292.16x = 19,719.32 × 8,242.24
  4. Step 4: Simplify right side
    14,292.16x = 162,531,368.08
  5. Step 5: Solve for x
    x = 162,531,368.08/14,292.16
  6. Step 6: Final answer
    x = 11,372.06

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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.