Home / 15,501.65-23,255.94-5,640.89

Finding the Fourth Proportional to 15,501.65, 23,255.94 and 5,640.89

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Solution

The fourth proportional to 15,501.65, 23,255.94 and 5,640.89 is: 8,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501.65 : 23,255.94 = 5,640.89 : x
  2. Step 2: Convert to fraction form
    15,501.65/23,255.94 = 5,640.89/x
  3. Step 3: Cross multiply
    15,501.65x = 23,255.94 × 5,640.89
  4. Step 4: Simplify right side
    15,501.65x = 131,184,199.39
  5. Step 5: Solve for x
    x = 131,184,199.39/15,501.65
  6. Step 6: Final answer
    x = 8,462.60

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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.