Home / 23,639.84-35,463.60-7,220

Finding the Fourth Proportional to 23,639.84, 35,463.60 and 7,220

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Solution

The fourth proportional to 23,639.84, 35,463.60 and 7,220 is: 10,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,639.84 : 35,463.60 = 7,220 : x
  2. Step 2: Convert to fraction form
    23,639.84/35,463.60 = 7,220/x
  3. Step 3: Cross multiply
    23,639.84x = 35,463.60 × 7,220
  4. Step 4: Simplify right side
    23,639.84x = 256,047,192
  5. Step 5: Solve for x
    x = 256,047,192/23,639.84
  6. Step 6: Final answer
    x = 10,831.17

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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.