Home / 14,328.58-19,774.34-8,279.08

Finding the Fourth Proportional to 14,328.58, 19,774.34 and 8,279.08

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Solution

The fourth proportional to 14,328.58, 19,774.34 and 8,279.08 is: 11,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.58 : 19,774.34 = 8,279.08 : x
  2. Step 2: Convert to fraction form
    14,328.58/19,774.34 = 8,279.08/x
  3. Step 3: Cross multiply
    14,328.58x = 19,774.34 × 8,279.08
  4. Step 4: Simplify right side
    14,328.58x = 163,713,342.81
  5. Step 5: Solve for x
    x = 163,713,342.81/14,328.58
  6. Step 6: Final answer
    x = 11,425.65

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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.