Home / 12,953.40-19,425.34-4,631.17

Finding the Fourth Proportional to 12,953.40, 19,425.34 and 4,631.17

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Solution

The fourth proportional to 12,953.40, 19,425.34 and 4,631.17 is: 6,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.40 : 19,425.34 = 4,631.17 : x
  2. Step 2: Convert to fraction form
    12,953.40/19,425.34 = 4,631.17/x
  3. Step 3: Cross multiply
    12,953.40x = 19,425.34 × 4,631.17
  4. Step 4: Simplify right side
    12,953.40x = 89,962,051.85
  5. Step 5: Solve for x
    x = 89,962,051.85/12,953.40
  6. Step 6: Final answer
    x = 6,945.05

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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.