Home / 10,289.90-15,434.99-6,802.31

Finding the Fourth Proportional to 10,289.90, 15,434.99 and 6,802.31

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Solution

The fourth proportional to 10,289.90, 15,434.99 and 6,802.31 is: 10,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.90 : 15,434.99 = 6,802.31 : x
  2. Step 2: Convert to fraction form
    10,289.90/15,434.99 = 6,802.31/x
  3. Step 3: Cross multiply
    10,289.90x = 15,434.99 × 6,802.31
  4. Step 4: Simplify right side
    10,289.90x = 104,993,475.64
  5. Step 5: Solve for x
    x = 104,993,475.64/10,289.90
  6. Step 6: Final answer
    x = 10,203.55

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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.