Home / 14,360.34-19,815.13-8,071.50

Finding the Fourth Proportional to 14,360.34, 19,815.13 and 8,071.50

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Solution

The fourth proportional to 14,360.34, 19,815.13 and 8,071.50 is: 11,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.34 : 19,815.13 = 8,071.50 : x
  2. Step 2: Convert to fraction form
    14,360.34/19,815.13 = 8,071.50/x
  3. Step 3: Cross multiply
    14,360.34x = 19,815.13 × 8,071.50
  4. Step 4: Simplify right side
    14,360.34x = 159,937,801.62
  5. Step 5: Solve for x
    x = 159,937,801.62/14,360.34
  6. Step 6: Final answer
    x = 11,137.47

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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.