Home / 13,973.95-19,274.28-9,489.91

Finding the Fourth Proportional to 13,973.95, 19,274.28 and 9,489.91

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Solution

The fourth proportional to 13,973.95, 19,274.28 and 9,489.91 is: 13,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.95 : 19,274.28 = 9,489.91 : x
  2. Step 2: Convert to fraction form
    13,973.95/19,274.28 = 9,489.91/x
  3. Step 3: Cross multiply
    13,973.95x = 19,274.28 × 9,489.91
  4. Step 4: Simplify right side
    13,973.95x = 182,911,182.51
  5. Step 5: Solve for x
    x = 182,911,182.51/13,973.95
  6. Step 6: Final answer
    x = 13,089.44

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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.