Home / 10,663.66-14,717.74-6,688.18

Finding the Fourth Proportional to 10,663.66, 14,717.74 and 6,688.18

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Solution

The fourth proportional to 10,663.66, 14,717.74 and 6,688.18 is: 9,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.66 : 14,717.74 = 6,688.18 : x
  2. Step 2: Convert to fraction form
    10,663.66/14,717.74 = 6,688.18/x
  3. Step 3: Cross multiply
    10,663.66x = 14,717.74 × 6,688.18
  4. Step 4: Simplify right side
    10,663.66x = 98,434,894.31
  5. Step 5: Solve for x
    x = 98,434,894.31/10,663.66
  6. Step 6: Final answer
    x = 9,230.87

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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.