Home / 10,197.51-15,293.32-2,802.21

Finding the Fourth Proportional to 10,197.51, 15,293.32 and 2,802.21

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Solution

The fourth proportional to 10,197.51, 15,293.32 and 2,802.21 is: 4,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.51 : 15,293.32 = 2,802.21 : x
  2. Step 2: Convert to fraction form
    10,197.51/15,293.32 = 2,802.21/x
  3. Step 3: Cross multiply
    10,197.51x = 15,293.32 × 2,802.21
  4. Step 4: Simplify right side
    10,197.51x = 42,855,094.24
  5. Step 5: Solve for x
    x = 42,855,094.24/10,197.51
  6. Step 6: Final answer
    x = 4,202.51

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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.