Home / 10,477.23-15,710.37-6,781.20

Finding the Fourth Proportional to 10,477.23, 15,710.37 and 6,781.20

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Solution

The fourth proportional to 10,477.23, 15,710.37 and 6,781.20 is: 10,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.23 : 15,710.37 = 6,781.20 : x
  2. Step 2: Convert to fraction form
    10,477.23/15,710.37 = 6,781.20/x
  3. Step 3: Cross multiply
    10,477.23x = 15,710.37 × 6,781.20
  4. Step 4: Simplify right side
    10,477.23x = 106,535,161.04
  5. Step 5: Solve for x
    x = 106,535,161.04/10,477.23
  6. Step 6: Final answer
    x = 10,168.26

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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.