Home / 13,605.91-20,417.10-4,840.17

Finding the Fourth Proportional to 13,605.91, 20,417.10 and 4,840.17

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Solution

The fourth proportional to 13,605.91, 20,417.10 and 4,840.17 is: 7,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.91 : 20,417.10 = 4,840.17 : x
  2. Step 2: Convert to fraction form
    13,605.91/20,417.10 = 4,840.17/x
  3. Step 3: Cross multiply
    13,605.91x = 20,417.10 × 4,840.17
  4. Step 4: Simplify right side
    13,605.91x = 98,822,234.91
  5. Step 5: Solve for x
    x = 98,822,234.91/13,605.91
  6. Step 6: Final answer
    x = 7,263.18

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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.