Home / 13,972.08-19,276.77-9,488.05

Finding the Fourth Proportional to 13,972.08, 19,276.77 and 9,488.05

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Solution

The fourth proportional to 13,972.08, 19,276.77 and 9,488.05 is: 13,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.08 : 19,276.77 = 9,488.05 : x
  2. Step 2: Convert to fraction form
    13,972.08/19,276.77 = 9,488.05/x
  3. Step 3: Cross multiply
    13,972.08x = 19,276.77 × 9,488.05
  4. Step 4: Simplify right side
    13,972.08x = 182,898,957.60
  5. Step 5: Solve for x
    x = 182,898,957.60/13,972.08
  6. Step 6: Final answer
    x = 13,090.32

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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.