Home / 10,445.37-15,667.32-4,899.93

Finding the Fourth Proportional to 10,445.37, 15,667.32 and 4,899.93

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Solution

The fourth proportional to 10,445.37, 15,667.32 and 4,899.93 is: 7,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.37 : 15,667.32 = 4,899.93 : x
  2. Step 2: Convert to fraction form
    10,445.37/15,667.32 = 4,899.93/x
  3. Step 3: Cross multiply
    10,445.37x = 15,667.32 × 4,899.93
  4. Step 4: Simplify right side
    10,445.37x = 76,768,771.29
  5. Step 5: Solve for x
    x = 76,768,771.29/10,445.37
  6. Step 6: Final answer
    x = 7,349.55

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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.