Home / 10,428.08-14,395.40-6,656.24

Finding the Fourth Proportional to 10,428.08, 14,395.40 and 6,656.24

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Solution

The fourth proportional to 10,428.08, 14,395.40 and 6,656.24 is: 9,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.08 : 14,395.40 = 6,656.24 : x
  2. Step 2: Convert to fraction form
    10,428.08/14,395.40 = 6,656.24/x
  3. Step 3: Cross multiply
    10,428.08x = 14,395.40 × 6,656.24
  4. Step 4: Simplify right side
    10,428.08x = 95,819,181.96
  5. Step 5: Solve for x
    x = 95,819,181.96/10,428.08
  6. Step 6: Final answer
    x = 9,188.58

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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.