Home / 10,075.20-15,097.40-6,776.08

Finding the Fourth Proportional to 10,075.20, 15,097.40 and 6,776.08

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Solution

The fourth proportional to 10,075.20, 15,097.40 and 6,776.08 is: 10,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.20 : 15,097.40 = 6,776.08 : x
  2. Step 2: Convert to fraction form
    10,075.20/15,097.40 = 6,776.08/x
  3. Step 3: Cross multiply
    10,075.20x = 15,097.40 × 6,776.08
  4. Step 4: Simplify right side
    10,075.20x = 102,301,190.19
  5. Step 5: Solve for x
    x = 102,301,190.19/10,075.20
  6. Step 6: Final answer
    x = 10,153.76

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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.