Home / 10,284.04-14,219.58-9,811

Finding the Fourth Proportional to 10,284.04, 14,219.58 and 9,811

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Solution

The fourth proportional to 10,284.04, 14,219.58 and 9,811 is: 13,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.04 : 14,219.58 = 9,811 : x
  2. Step 2: Convert to fraction form
    10,284.04/14,219.58 = 9,811/x
  3. Step 3: Cross multiply
    10,284.04x = 14,219.58 × 9,811
  4. Step 4: Simplify right side
    10,284.04x = 139,508,299.38
  5. Step 5: Solve for x
    x = 139,508,299.38/10,284.04
  6. Step 6: Final answer
    x = 13,565.52

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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.