Home / 14,267.87-19,689.72-8,303.58

Finding the Fourth Proportional to 14,267.87, 19,689.72 and 8,303.58

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Solution

The fourth proportional to 14,267.87, 19,689.72 and 8,303.58 is: 11,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.87 : 19,689.72 = 8,303.58 : x
  2. Step 2: Convert to fraction form
    14,267.87/19,689.72 = 8,303.58/x
  3. Step 3: Cross multiply
    14,267.87x = 19,689.72 × 8,303.58
  4. Step 4: Simplify right side
    14,267.87x = 163,495,165.20
  5. Step 5: Solve for x
    x = 163,495,165.20/14,267.87
  6. Step 6: Final answer
    x = 11,458.98

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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.