Home / 10,178.69-14,045.63-6,994.78

Finding the Fourth Proportional to 10,178.69, 14,045.63 and 6,994.78

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Solution

The fourth proportional to 10,178.69, 14,045.63 and 6,994.78 is: 9,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.69 : 14,045.63 = 6,994.78 : x
  2. Step 2: Convert to fraction form
    10,178.69/14,045.63 = 6,994.78/x
  3. Step 3: Cross multiply
    10,178.69x = 14,045.63 × 6,994.78
  4. Step 4: Simplify right side
    10,178.69x = 98,246,021.72
  5. Step 5: Solve for x
    x = 98,246,021.72/10,178.69
  6. Step 6: Final answer
    x = 9,652.13

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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.