Home / 13,753.90-18,980.40-7,466.28

Finding the Fourth Proportional to 13,753.90, 18,980.40 and 7,466.28

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Solution

The fourth proportional to 13,753.90, 18,980.40 and 7,466.28 is: 10,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.90 : 18,980.40 = 7,466.28 : x
  2. Step 2: Convert to fraction form
    13,753.90/18,980.40 = 7,466.28/x
  3. Step 3: Cross multiply
    13,753.90x = 18,980.40 × 7,466.28
  4. Step 4: Simplify right side
    13,753.90x = 141,712,980.91
  5. Step 5: Solve for x
    x = 141,712,980.91/13,753.90
  6. Step 6: Final answer
    x = 10,303.48

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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.