Home / 13,784.88-19,007.95-9,528.56

Finding the Fourth Proportional to 13,784.88, 19,007.95 and 9,528.56

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Solution

The fourth proportional to 13,784.88, 19,007.95 and 9,528.56 is: 13,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.88 : 19,007.95 = 9,528.56 : x
  2. Step 2: Convert to fraction form
    13,784.88/19,007.95 = 9,528.56/x
  3. Step 3: Cross multiply
    13,784.88x = 19,007.95 × 9,528.56
  4. Step 4: Simplify right side
    13,784.88x = 181,118,275.37
  5. Step 5: Solve for x
    x = 181,118,275.37/13,784.88
  6. Step 6: Final answer
    x = 13,138.90

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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.