Home / 9,883-14,831.78-4,688.88

Finding the Fourth Proportional to 9,883, 14,831.78 and 4,688.88

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Solution

The fourth proportional to 9,883, 14,831.78 and 4,688.88 is: 7,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883 : 14,831.78 = 4,688.88 : x
  2. Step 2: Convert to fraction form
    9,883/14,831.78 = 4,688.88/x
  3. Step 3: Cross multiply
    9,883x = 14,831.78 × 4,688.88
  4. Step 4: Simplify right side
    9,883x = 69,544,436.61
  5. Step 5: Solve for x
    x = 69,544,436.61/9,883
  6. Step 6: Final answer
    x = 7,036.77

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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.