Home / 10,875.40-15,009.09-6,095.32

Finding the Fourth Proportional to 10,875.40, 15,009.09 and 6,095.32

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Solution

The fourth proportional to 10,875.40, 15,009.09 and 6,095.32 is: 8,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.40 : 15,009.09 = 6,095.32 : x
  2. Step 2: Convert to fraction form
    10,875.40/15,009.09 = 6,095.32/x
  3. Step 3: Cross multiply
    10,875.40x = 15,009.09 × 6,095.32
  4. Step 4: Simplify right side
    10,875.40x = 91,485,100.94
  5. Step 5: Solve for x
    x = 91,485,100.94/10,875.40
  6. Step 6: Final answer
    x = 8,412.12

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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.