Home / 13,275.79-19,907.56-4,953.59

Finding the Fourth Proportional to 13,275.79, 19,907.56 and 4,953.59

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Solution

The fourth proportional to 13,275.79, 19,907.56 and 4,953.59 is: 7,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.79 : 19,907.56 = 4,953.59 : x
  2. Step 2: Convert to fraction form
    13,275.79/19,907.56 = 4,953.59/x
  3. Step 3: Cross multiply
    13,275.79x = 19,907.56 × 4,953.59
  4. Step 4: Simplify right side
    13,275.79x = 98,613,865.37
  5. Step 5: Solve for x
    x = 98,613,865.37/13,275.79
  6. Step 6: Final answer
    x = 7,428.10

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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.