Home / 10,660.02-14,702.90-7,826.51

Finding the Fourth Proportional to 10,660.02, 14,702.90 and 7,826.51

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Solution

The fourth proportional to 10,660.02, 14,702.90 and 7,826.51 is: 10,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.02 : 14,702.90 = 7,826.51 : x
  2. Step 2: Convert to fraction form
    10,660.02/14,702.90 = 7,826.51/x
  3. Step 3: Cross multiply
    10,660.02x = 14,702.90 × 7,826.51
  4. Step 4: Simplify right side
    10,660.02x = 115,072,281.23
  5. Step 5: Solve for x
    x = 115,072,281.23/10,660.02
  6. Step 6: Final answer
    x = 10,794.75

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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.