Home / 10,637.12-14,675.64-6,446.72

Finding the Fourth Proportional to 10,637.12, 14,675.64 and 6,446.72

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Solution

The fourth proportional to 10,637.12, 14,675.64 and 6,446.72 is: 8,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.12 : 14,675.64 = 6,446.72 : x
  2. Step 2: Convert to fraction form
    10,637.12/14,675.64 = 6,446.72/x
  3. Step 3: Cross multiply
    10,637.12x = 14,675.64 × 6,446.72
  4. Step 4: Simplify right side
    10,637.12x = 94,609,741.90
  5. Step 5: Solve for x
    x = 94,609,741.90/10,637.12
  6. Step 6: Final answer
    x = 8,894.30

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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.