Home / 14,119.34-19,484.70-7,831.76

Finding the Fourth Proportional to 14,119.34, 19,484.70 and 7,831.76

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Solution

The fourth proportional to 14,119.34, 19,484.70 and 7,831.76 is: 10,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.34 : 19,484.70 = 7,831.76 : x
  2. Step 2: Convert to fraction form
    14,119.34/19,484.70 = 7,831.76/x
  3. Step 3: Cross multiply
    14,119.34x = 19,484.70 × 7,831.76
  4. Step 4: Simplify right side
    14,119.34x = 152,599,494.07
  5. Step 5: Solve for x
    x = 152,599,494.07/14,119.34
  6. Step 6: Final answer
    x = 10,807.83

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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.