Home / 14,005.88-21,008.80-6,505.34

Finding the Fourth Proportional to 14,005.88, 21,008.80 and 6,505.34

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Solution

The fourth proportional to 14,005.88, 21,008.80 and 6,505.34 is: 9,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.88 : 21,008.80 = 6,505.34 : x
  2. Step 2: Convert to fraction form
    14,005.88/21,008.80 = 6,505.34/x
  3. Step 3: Cross multiply
    14,005.88x = 21,008.80 × 6,505.34
  4. Step 4: Simplify right side
    14,005.88x = 136,669,386.99
  5. Step 5: Solve for x
    x = 136,669,386.99/14,005.88
  6. Step 6: Final answer
    x = 9,758.00

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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.