Home / 10,509.01-15,752.86-6,813.58

Finding the Fourth Proportional to 10,509.01, 15,752.86 and 6,813.58

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Solution

The fourth proportional to 10,509.01, 15,752.86 and 6,813.58 is: 10,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.01 : 15,752.86 = 6,813.58 : x
  2. Step 2: Convert to fraction form
    10,509.01/15,752.86 = 6,813.58/x
  3. Step 3: Cross multiply
    10,509.01x = 15,752.86 × 6,813.58
  4. Step 4: Simplify right side
    10,509.01x = 107,333,371.84
  5. Step 5: Solve for x
    x = 107,333,371.84/10,509.01
  6. Step 6: Final answer
    x = 10,213.46

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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.