Home / 10,518.27-14,515.65-5,802.86

Finding the Fourth Proportional to 10,518.27, 14,515.65 and 5,802.86

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Solution

The fourth proportional to 10,518.27, 14,515.65 and 5,802.86 is: 8,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.27 : 14,515.65 = 5,802.86 : x
  2. Step 2: Convert to fraction form
    10,518.27/14,515.65 = 5,802.86/x
  3. Step 3: Cross multiply
    10,518.27x = 14,515.65 × 5,802.86
  4. Step 4: Simplify right side
    10,518.27x = 84,232,212.18
  5. Step 5: Solve for x
    x = 84,232,212.18/10,518.27
  6. Step 6: Final answer
    x = 8,008.18

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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.