Home / 11,503.71-15,875.01-6,467.94

Finding the Fourth Proportional to 11,503.71, 15,875.01 and 6,467.94

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Solution

The fourth proportional to 11,503.71, 15,875.01 and 6,467.94 is: 8,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.71 : 15,875.01 = 6,467.94 : x
  2. Step 2: Convert to fraction form
    11,503.71/15,875.01 = 6,467.94/x
  3. Step 3: Cross multiply
    11,503.71x = 15,875.01 × 6,467.94
  4. Step 4: Simplify right side
    11,503.71x = 102,678,612.18
  5. Step 5: Solve for x
    x = 102,678,612.18/11,503.71
  6. Step 6: Final answer
    x = 8,925.70

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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.