Home / 14,267.79-21,398.09-6,870.33

Finding the Fourth Proportional to 14,267.79, 21,398.09 and 6,870.33

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Solution

The fourth proportional to 14,267.79, 21,398.09 and 6,870.33 is: 10,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.79 : 21,398.09 = 6,870.33 : x
  2. Step 2: Convert to fraction form
    14,267.79/21,398.09 = 6,870.33/x
  3. Step 3: Cross multiply
    14,267.79x = 21,398.09 × 6,870.33
  4. Step 4: Simplify right side
    14,267.79x = 147,011,905.32
  5. Step 5: Solve for x
    x = 147,011,905.32/14,267.79
  6. Step 6: Final answer
    x = 10,303.76

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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.