Home / 10,050.57-13,869.90-5,574.45

Finding the Fourth Proportional to 10,050.57, 13,869.90 and 5,574.45

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Solution

The fourth proportional to 10,050.57, 13,869.90 and 5,574.45 is: 7,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050.57 : 13,869.90 = 5,574.45 : x
  2. Step 2: Convert to fraction form
    10,050.57/13,869.90 = 5,574.45/x
  3. Step 3: Cross multiply
    10,050.57x = 13,869.90 × 5,574.45
  4. Step 4: Simplify right side
    10,050.57x = 77,317,064.06
  5. Step 5: Solve for x
    x = 77,317,064.06/10,050.57
  6. Step 6: Final answer
    x = 7,692.80

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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.