Home / 13,259.91-18,298.32-7,291.64

Finding the Fourth Proportional to 13,259.91, 18,298.32 and 7,291.64

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Solution

The fourth proportional to 13,259.91, 18,298.32 and 7,291.64 is: 10,062.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.91 : 18,298.32 = 7,291.64 : x
  2. Step 2: Convert to fraction form
    13,259.91/18,298.32 = 7,291.64/x
  3. Step 3: Cross multiply
    13,259.91x = 18,298.32 × 7,291.64
  4. Step 4: Simplify right side
    13,259.91x = 133,424,670.55
  5. Step 5: Solve for x
    x = 133,424,670.55/13,259.91
  6. Step 6: Final answer
    x = 10,062.26

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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.