Home / 10,397.03-15,564.83-6,688.31

Finding the Fourth Proportional to 10,397.03, 15,564.83 and 6,688.31

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Solution

The fourth proportional to 10,397.03, 15,564.83 and 6,688.31 is: 10,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.03 : 15,564.83 = 6,688.31 : x
  2. Step 2: Convert to fraction form
    10,397.03/15,564.83 = 6,688.31/x
  3. Step 3: Cross multiply
    10,397.03x = 15,564.83 × 6,688.31
  4. Step 4: Simplify right side
    10,397.03x = 104,102,296.87
  5. Step 5: Solve for x
    x = 104,102,296.87/10,397.03
  6. Step 6: Final answer
    x = 10,012.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.