Home / 10,458.45-14,428.69-6,875.34

Finding the Fourth Proportional to 10,458.45, 14,428.69 and 6,875.34

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Solution

The fourth proportional to 10,458.45, 14,428.69 and 6,875.34 is: 9,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.45 : 14,428.69 = 6,875.34 : x
  2. Step 2: Convert to fraction form
    10,458.45/14,428.69 = 6,875.34/x
  3. Step 3: Cross multiply
    10,458.45x = 14,428.69 × 6,875.34
  4. Step 4: Simplify right side
    10,458.45x = 99,202,138.13
  5. Step 5: Solve for x
    x = 99,202,138.13/10,458.45
  6. Step 6: Final answer
    x = 9,485.36

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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.