Home / 14,181.34-19,570.90-7,894.12

Finding the Fourth Proportional to 14,181.34, 19,570.90 and 7,894.12

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Solution

The fourth proportional to 14,181.34, 19,570.90 and 7,894.12 is: 10,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.34 : 19,570.90 = 7,894.12 : x
  2. Step 2: Convert to fraction form
    14,181.34/19,570.90 = 7,894.12/x
  3. Step 3: Cross multiply
    14,181.34x = 19,570.90 × 7,894.12
  4. Step 4: Simplify right side
    14,181.34x = 154,495,033.11
  5. Step 5: Solve for x
    x = 154,495,033.11/14,181.34
  6. Step 6: Final answer
    x = 10,894.25

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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.