Home / 13,868.32-20,802.48-6,075.52

Finding the Fourth Proportional to 13,868.32, 20,802.48 and 6,075.52

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Solution

The fourth proportional to 13,868.32, 20,802.48 and 6,075.52 is: 9,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.32 : 20,802.48 = 6,075.52 : x
  2. Step 2: Convert to fraction form
    13,868.32/20,802.48 = 6,075.52/x
  3. Step 3: Cross multiply
    13,868.32x = 20,802.48 × 6,075.52
  4. Step 4: Simplify right side
    13,868.32x = 126,385,883.29
  5. Step 5: Solve for x
    x = 126,385,883.29/13,868.32
  6. Step 6: Final answer
    x = 9,113.28

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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.