Home / 13,831.16-19,087.26-7,543.76

Finding the Fourth Proportional to 13,831.16, 19,087.26 and 7,543.76

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Solution

The fourth proportional to 13,831.16, 19,087.26 and 7,543.76 is: 10,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.16 : 19,087.26 = 7,543.76 : x
  2. Step 2: Convert to fraction form
    13,831.16/19,087.26 = 7,543.76/x
  3. Step 3: Cross multiply
    13,831.16x = 19,087.26 × 7,543.76
  4. Step 4: Simplify right side
    13,831.16x = 143,989,708.50
  5. Step 5: Solve for x
    x = 143,989,708.50/13,831.16
  6. Step 6: Final answer
    x = 10,410.53

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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.