Home / 10,509.51-15,738.33-6,113.64

Finding the Fourth Proportional to 10,509.51, 15,738.33 and 6,113.64

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Solution

The fourth proportional to 10,509.51, 15,738.33 and 6,113.64 is: 9,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.51 : 15,738.33 = 6,113.64 : x
  2. Step 2: Convert to fraction form
    10,509.51/15,738.33 = 6,113.64/x
  3. Step 3: Cross multiply
    10,509.51x = 15,738.33 × 6,113.64
  4. Step 4: Simplify right side
    10,509.51x = 96,218,483.82
  5. Step 5: Solve for x
    x = 96,218,483.82/10,509.51
  6. Step 6: Final answer
    x = 9,155.37

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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.