Home / 10,628.48-14,666.76-6,378.71

Finding the Fourth Proportional to 10,628.48, 14,666.76 and 6,378.71

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Solution

The fourth proportional to 10,628.48, 14,666.76 and 6,378.71 is: 8,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.48 : 14,666.76 = 6,378.71 : x
  2. Step 2: Convert to fraction form
    10,628.48/14,666.76 = 6,378.71/x
  3. Step 3: Cross multiply
    10,628.48x = 14,666.76 × 6,378.71
  4. Step 4: Simplify right side
    10,628.48x = 93,554,935.35
  5. Step 5: Solve for x
    x = 93,554,935.35/10,628.48
  6. Step 6: Final answer
    x = 8,802.29

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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.