Home / 19,276.04-28,890.40-10,963

Finding the Fourth Proportional to 19,276.04, 28,890.40 and 10,963

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Solution

The fourth proportional to 19,276.04, 28,890.40 and 10,963 is: 16,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.04 : 28,890.40 = 10,963 : x
  2. Step 2: Convert to fraction form
    19,276.04/28,890.40 = 10,963/x
  3. Step 3: Cross multiply
    19,276.04x = 28,890.40 × 10,963
  4. Step 4: Simplify right side
    19,276.04x = 316,725,455.20
  5. Step 5: Solve for x
    x = 316,725,455.20/19,276.04
  6. Step 6: Final answer
    x = 16,431.04

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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.