Home / 14,088.70-21,135.60-6,693.10

Finding the Fourth Proportional to 14,088.70, 21,135.60 and 6,693.10

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Solution

The fourth proportional to 14,088.70, 21,135.60 and 6,693.10 is: 10,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.70 : 21,135.60 = 6,693.10 : x
  2. Step 2: Convert to fraction form
    14,088.70/21,135.60 = 6,693.10/x
  3. Step 3: Cross multiply
    14,088.70x = 21,135.60 × 6,693.10
  4. Step 4: Simplify right side
    14,088.70x = 141,462,684.36
  5. Step 5: Solve for x
    x = 141,462,684.36/14,088.70
  6. Step 6: Final answer
    x = 10,040.86

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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.