Home / 10,688.10-14,748.33-6,708.90

Finding the Fourth Proportional to 10,688.10, 14,748.33 and 6,708.90

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Solution

The fourth proportional to 10,688.10, 14,748.33 and 6,708.90 is: 9,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.10 : 14,748.33 = 6,708.90 : x
  2. Step 2: Convert to fraction form
    10,688.10/14,748.33 = 6,708.90/x
  3. Step 3: Cross multiply
    10,688.10x = 14,748.33 × 6,708.90
  4. Step 4: Simplify right side
    10,688.10x = 98,945,071.14
  5. Step 5: Solve for x
    x = 98,945,071.14/10,688.10
  6. Step 6: Final answer
    x = 9,257.50

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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.