Home / 10,643.63-14,688.20-5,927.81

Finding the Fourth Proportional to 10,643.63, 14,688.20 and 5,927.81

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Solution

The fourth proportional to 10,643.63, 14,688.20 and 5,927.81 is: 8,180.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.63 : 14,688.20 = 5,927.81 : x
  2. Step 2: Convert to fraction form
    10,643.63/14,688.20 = 5,927.81/x
  3. Step 3: Cross multiply
    10,643.63x = 14,688.20 × 5,927.81
  4. Step 4: Simplify right side
    10,643.63x = 87,068,800.22
  5. Step 5: Solve for x
    x = 87,068,800.22/10,643.63
  6. Step 6: Final answer
    x = 8,180.37

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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.