Home / 10,075.92-15,112.08-4,528.32

Finding the Fourth Proportional to 10,075.92, 15,112.08 and 4,528.32

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Solution

The fourth proportional to 10,075.92, 15,112.08 and 4,528.32 is: 6,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.92 : 15,112.08 = 4,528.32 : x
  2. Step 2: Convert to fraction form
    10,075.92/15,112.08 = 4,528.32/x
  3. Step 3: Cross multiply
    10,075.92x = 15,112.08 × 4,528.32
  4. Step 4: Simplify right side
    10,075.92x = 68,432,334.11
  5. Step 5: Solve for x
    x = 68,432,334.11/10,075.92
  6. Step 6: Final answer
    x = 6,791.67

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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.