Home / 14,370.16-19,831.28-8,705.96

Finding the Fourth Proportional to 14,370.16, 19,831.28 and 8,705.96

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Solution

The fourth proportional to 14,370.16, 19,831.28 and 8,705.96 is: 12,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.16 : 19,831.28 = 8,705.96 : x
  2. Step 2: Convert to fraction form
    14,370.16/19,831.28 = 8,705.96/x
  3. Step 3: Cross multiply
    14,370.16x = 19,831.28 × 8,705.96
  4. Step 4: Simplify right side
    14,370.16x = 172,650,330.43
  5. Step 5: Solve for x
    x = 172,650,330.43/14,370.16
  6. Step 6: Final answer
    x = 12,014.50

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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.