Home / 14,165.84-19,548.09-7,877.81

Finding the Fourth Proportional to 14,165.84, 19,548.09 and 7,877.81

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Solution

The fourth proportional to 14,165.84, 19,548.09 and 7,877.81 is: 10,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.84 : 19,548.09 = 7,877.81 : x
  2. Step 2: Convert to fraction form
    14,165.84/19,548.09 = 7,877.81/x
  3. Step 3: Cross multiply
    14,165.84x = 19,548.09 × 7,877.81
  4. Step 4: Simplify right side
    14,165.84x = 153,996,187.75
  5. Step 5: Solve for x
    x = 153,996,187.75/14,165.84
  6. Step 6: Final answer
    x = 10,870.95

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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.