Home / 10,539.28-15,814.32-4,699.72

Finding the Fourth Proportional to 10,539.28, 15,814.32 and 4,699.72

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Solution

The fourth proportional to 10,539.28, 15,814.32 and 4,699.72 is: 7,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.28 : 15,814.32 = 4,699.72 : x
  2. Step 2: Convert to fraction form
    10,539.28/15,814.32 = 4,699.72/x
  3. Step 3: Cross multiply
    10,539.28x = 15,814.32 × 4,699.72
  4. Step 4: Simplify right side
    10,539.28x = 74,322,875.99
  5. Step 5: Solve for x
    x = 74,322,875.99/10,539.28
  6. Step 6: Final answer
    x = 7,051.99

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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.