Home / 9,203.48-12,703.70-5,426.36

Finding the Fourth Proportional to 9,203.48, 12,703.70 and 5,426.36

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Solution

The fourth proportional to 9,203.48, 12,703.70 and 5,426.36 is: 7,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.48 : 12,703.70 = 5,426.36 : x
  2. Step 2: Convert to fraction form
    9,203.48/12,703.70 = 5,426.36/x
  3. Step 3: Cross multiply
    9,203.48x = 12,703.70 × 5,426.36
  4. Step 4: Simplify right side
    9,203.48x = 68,934,849.53
  5. Step 5: Solve for x
    x = 68,934,849.53/9,203.48
  6. Step 6: Final answer
    x = 7,490.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.