Home / 10,653.40-15,980.27-4,411.91

Finding the Fourth Proportional to 10,653.40, 15,980.27 and 4,411.91

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Solution

The fourth proportional to 10,653.40, 15,980.27 and 4,411.91 is: 6,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.40 : 15,980.27 = 4,411.91 : x
  2. Step 2: Convert to fraction form
    10,653.40/15,980.27 = 4,411.91/x
  3. Step 3: Cross multiply
    10,653.40x = 15,980.27 × 4,411.91
  4. Step 4: Simplify right side
    10,653.40x = 70,503,513.02
  5. Step 5: Solve for x
    x = 70,503,513.02/10,653.40
  6. Step 6: Final answer
    x = 6,617.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.