Home / 12,802.10-19,246.35-10,901.30

Finding the Fourth Proportional to 12,802.10, 19,246.35 and 10,901.30

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Solution

The fourth proportional to 12,802.10, 19,246.35 and 10,901.30 is: 16,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802.10 : 19,246.35 = 10,901.30 : x
  2. Step 2: Convert to fraction form
    12,802.10/19,246.35 = 10,901.30/x
  3. Step 3: Cross multiply
    12,802.10x = 19,246.35 × 10,901.30
  4. Step 4: Simplify right side
    12,802.10x = 209,810,235.26
  5. Step 5: Solve for x
    x = 209,810,235.26/12,802.10
  6. Step 6: Final answer
    x = 16,388.74

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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.