Home / 14,885.80-22,328.70-7,887.40

Finding the Fourth Proportional to 14,885.80, 22,328.70 and 7,887.40

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Solution

The fourth proportional to 14,885.80, 22,328.70 and 7,887.40 is: 11,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.80 : 22,328.70 = 7,887.40 : x
  2. Step 2: Convert to fraction form
    14,885.80/22,328.70 = 7,887.40/x
  3. Step 3: Cross multiply
    14,885.80x = 22,328.70 × 7,887.40
  4. Step 4: Simplify right side
    14,885.80x = 176,115,388.38
  5. Step 5: Solve for x
    x = 176,115,388.38/14,885.80
  6. Step 6: Final answer
    x = 11,831.10

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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.