Home / 10,040.68-15,075.60-7,416.28

Finding the Fourth Proportional to 10,040.68, 15,075.60 and 7,416.28

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Solution

The fourth proportional to 10,040.68, 15,075.60 and 7,416.28 is: 11,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.68 : 15,075.60 = 7,416.28 : x
  2. Step 2: Convert to fraction form
    10,040.68/15,075.60 = 7,416.28/x
  3. Step 3: Cross multiply
    10,040.68x = 15,075.60 × 7,416.28
  4. Step 4: Simplify right side
    10,040.68x = 111,804,870.77
  5. Step 5: Solve for x
    x = 111,804,870.77/10,040.68
  6. Step 6: Final answer
    x = 11,135.19

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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.