Home / 14,040.64-21,056.10-7,810.12

Finding the Fourth Proportional to 14,040.64, 21,056.10 and 7,810.12

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Solution

The fourth proportional to 14,040.64, 21,056.10 and 7,810.12 is: 11,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.64 : 21,056.10 = 7,810.12 : x
  2. Step 2: Convert to fraction form
    14,040.64/21,056.10 = 7,810.12/x
  3. Step 3: Cross multiply
    14,040.64x = 21,056.10 × 7,810.12
  4. Step 4: Simplify right side
    14,040.64x = 164,450,667.73
  5. Step 5: Solve for x
    x = 164,450,667.73/14,040.64
  6. Step 6: Final answer
    x = 11,712.48

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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.