Home / 14,310.81-19,756.35-11,116.98

Finding the Fourth Proportional to 14,310.81, 19,756.35 and 11,116.98

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Solution

The fourth proportional to 14,310.81, 19,756.35 and 11,116.98 is: 15,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.81 : 19,756.35 = 11,116.98 : x
  2. Step 2: Convert to fraction form
    14,310.81/19,756.35 = 11,116.98/x
  3. Step 3: Cross multiply
    14,310.81x = 19,756.35 × 11,116.98
  4. Step 4: Simplify right side
    14,310.81x = 219,630,947.82
  5. Step 5: Solve for x
    x = 219,630,947.82/14,310.81
  6. Step 6: Final answer
    x = 15,347.21

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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.