Home / 10,075.92-13,904.10-5,599.68

Finding the Fourth Proportional to 10,075.92, 13,904.10 and 5,599.68

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Solution

The fourth proportional to 10,075.92, 13,904.10 and 5,599.68 is: 7,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.92 : 13,904.10 = 5,599.68 : x
  2. Step 2: Convert to fraction form
    10,075.92/13,904.10 = 5,599.68/x
  3. Step 3: Cross multiply
    10,075.92x = 13,904.10 × 5,599.68
  4. Step 4: Simplify right side
    10,075.92x = 77,858,510.69
  5. Step 5: Solve for x
    x = 77,858,510.69/10,075.92
  6. Step 6: Final answer
    x = 7,727.19

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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.