Home / 12,563.49-17,337.05-7,530.51

Finding the Fourth Proportional to 12,563.49, 17,337.05 and 7,530.51

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Solution

The fourth proportional to 12,563.49, 17,337.05 and 7,530.51 is: 10,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.49 : 17,337.05 = 7,530.51 : x
  2. Step 2: Convert to fraction form
    12,563.49/17,337.05 = 7,530.51/x
  3. Step 3: Cross multiply
    12,563.49x = 17,337.05 × 7,530.51
  4. Step 4: Simplify right side
    12,563.49x = 130,556,828.40
  5. Step 5: Solve for x
    x = 130,556,828.40/12,563.49
  6. Step 6: Final answer
    x = 10,391.76

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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.