Home / 13,045.07-19,570.44-4,279.65

Finding the Fourth Proportional to 13,045.07, 19,570.44 and 4,279.65

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Solution

The fourth proportional to 13,045.07, 19,570.44 and 4,279.65 is: 6,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.07 : 19,570.44 = 4,279.65 : x
  2. Step 2: Convert to fraction form
    13,045.07/19,570.44 = 4,279.65/x
  3. Step 3: Cross multiply
    13,045.07x = 19,570.44 × 4,279.65
  4. Step 4: Simplify right side
    13,045.07x = 83,754,650.18
  5. Step 5: Solve for x
    x = 83,754,650.18/13,045.07
  6. Step 6: Final answer
    x = 6,420.41

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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.