Home / 9,678.42-13,348.28-6,492.24

Finding the Fourth Proportional to 9,678.42, 13,348.28 and 6,492.24

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Solution

The fourth proportional to 9,678.42, 13,348.28 and 6,492.24 is: 8,953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.42 : 13,348.28 = 6,492.24 : x
  2. Step 2: Convert to fraction form
    9,678.42/13,348.28 = 6,492.24/x
  3. Step 3: Cross multiply
    9,678.42x = 13,348.28 × 6,492.24
  4. Step 4: Simplify right side
    9,678.42x = 86,660,237.35
  5. Step 5: Solve for x
    x = 86,660,237.35/9,678.42
  6. Step 6: Final answer
    x = 8,953.97

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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.