Home / 15,018.75-22,528.13-6,810.75

Finding the Fourth Proportional to 15,018.75, 22,528.13 and 6,810.75

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Solution

The fourth proportional to 15,018.75, 22,528.13 and 6,810.75 is: 10,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018.75 : 22,528.13 = 6,810.75 : x
  2. Step 2: Convert to fraction form
    15,018.75/22,528.13 = 6,810.75/x
  3. Step 3: Cross multiply
    15,018.75x = 22,528.13 × 6,810.75
  4. Step 4: Simplify right side
    15,018.75x = 153,433,427.34
  5. Step 5: Solve for x
    x = 153,433,427.34/15,018.75
  6. Step 6: Final answer
    x = 10,216.13

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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.