Home / 10,810.76-14,915.45-8,534.93

Finding the Fourth Proportional to 10,810.76, 14,915.45 and 8,534.93

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Solution

The fourth proportional to 10,810.76, 14,915.45 and 8,534.93 is: 11,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.76 : 14,915.45 = 8,534.93 : x
  2. Step 2: Convert to fraction form
    10,810.76/14,915.45 = 8,534.93/x
  3. Step 3: Cross multiply
    10,810.76x = 14,915.45 × 8,534.93
  4. Step 4: Simplify right side
    10,810.76x = 127,302,278.99
  5. Step 5: Solve for x
    x = 127,302,278.99/10,810.76
  6. Step 6: Final answer
    x = 11,775.52

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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.