Home / 13,475.57-18,596.28-7,507.62

Finding the Fourth Proportional to 13,475.57, 18,596.28 and 7,507.62

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Solution

The fourth proportional to 13,475.57, 18,596.28 and 7,507.62 is: 10,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.57 : 18,596.28 = 7,507.62 : x
  2. Step 2: Convert to fraction form
    13,475.57/18,596.28 = 7,507.62/x
  3. Step 3: Cross multiply
    13,475.57x = 18,596.28 × 7,507.62
  4. Step 4: Simplify right side
    13,475.57x = 139,613,831.81
  5. Step 5: Solve for x
    x = 139,613,831.81/13,475.57
  6. Step 6: Final answer
    x = 10,360.51

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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.