Home / 14,000.51-21,003.84-10,291.50

Finding the Fourth Proportional to 14,000.51, 21,003.84 and 10,291.50

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Solution

The fourth proportional to 14,000.51, 21,003.84 and 10,291.50 is: 15,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.51 : 21,003.84 = 10,291.50 : x
  2. Step 2: Convert to fraction form
    14,000.51/21,003.84 = 10,291.50/x
  3. Step 3: Cross multiply
    14,000.51x = 21,003.84 × 10,291.50
  4. Step 4: Simplify right side
    14,000.51x = 216,160,914.34
  5. Step 5: Solve for x
    x = 216,160,914.34/14,000.51
  6. Step 6: Final answer
    x = 15,439.50

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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.