Home / 14,276.85-19,701.81-7,903.30

Finding the Fourth Proportional to 14,276.85, 19,701.81 and 7,903.30

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Solution

The fourth proportional to 14,276.85, 19,701.81 and 7,903.30 is: 10,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.85 : 19,701.81 = 7,903.30 : x
  2. Step 2: Convert to fraction form
    14,276.85/19,701.81 = 7,903.30/x
  3. Step 3: Cross multiply
    14,276.85x = 19,701.81 × 7,903.30
  4. Step 4: Simplify right side
    14,276.85x = 155,709,364.23
  5. Step 5: Solve for x
    x = 155,709,364.23/14,276.85
  6. Step 6: Final answer
    x = 10,906.42

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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.