Home / 13,292.30-18,323.06-8,570.54

Finding the Fourth Proportional to 13,292.30, 18,323.06 and 8,570.54

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Solution

The fourth proportional to 13,292.30, 18,323.06 and 8,570.54 is: 11,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.30 : 18,323.06 = 8,570.54 : x
  2. Step 2: Convert to fraction form
    13,292.30/18,323.06 = 8,570.54/x
  3. Step 3: Cross multiply
    13,292.30x = 18,323.06 × 8,570.54
  4. Step 4: Simplify right side
    13,292.30x = 157,038,518.65
  5. Step 5: Solve for x
    x = 157,038,518.65/13,292.30
  6. Step 6: Final answer
    x = 11,814.25

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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.