Home / 10,838.90-14,957.60-6,123.18

Finding the Fourth Proportional to 10,838.90, 14,957.60 and 6,123.18

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Solution

The fourth proportional to 10,838.90, 14,957.60 and 6,123.18 is: 8,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.90 : 14,957.60 = 6,123.18 : x
  2. Step 2: Convert to fraction form
    10,838.90/14,957.60 = 6,123.18/x
  3. Step 3: Cross multiply
    10,838.90x = 14,957.60 × 6,123.18
  4. Step 4: Simplify right side
    10,838.90x = 91,588,077.17
  5. Step 5: Solve for x
    x = 91,588,077.17/10,838.90
  6. Step 6: Final answer
    x = 8,449.94

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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.