Home / 10,556.63-14,559.19-6,518.58

Finding the Fourth Proportional to 10,556.63, 14,559.19 and 6,518.58

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Solution

The fourth proportional to 10,556.63, 14,559.19 and 6,518.58 is: 8,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.63 : 14,559.19 = 6,518.58 : x
  2. Step 2: Convert to fraction form
    10,556.63/14,559.19 = 6,518.58/x
  3. Step 3: Cross multiply
    10,556.63x = 14,559.19 × 6,518.58
  4. Step 4: Simplify right side
    10,556.63x = 94,905,210.52
  5. Step 5: Solve for x
    x = 94,905,210.52/10,556.63
  6. Step 6: Final answer
    x = 8,990.11

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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.