Home / 14,030.40-21,042.36-4,167.30

Finding the Fourth Proportional to 14,030.40, 21,042.36 and 4,167.30

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Solution

The fourth proportional to 14,030.40, 21,042.36 and 4,167.30 is: 6,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.40 : 21,042.36 = 4,167.30 : x
  2. Step 2: Convert to fraction form
    14,030.40/21,042.36 = 4,167.30/x
  3. Step 3: Cross multiply
    14,030.40x = 21,042.36 × 4,167.30
  4. Step 4: Simplify right side
    14,030.40x = 87,689,826.83
  5. Step 5: Solve for x
    x = 87,689,826.83/14,030.40
  6. Step 6: Final answer
    x = 6,249.99

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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.