Home / 13,259.96-18,298.86-7,210.22

Finding the Fourth Proportional to 13,259.96, 18,298.86 and 7,210.22

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Solution

The fourth proportional to 13,259.96, 18,298.86 and 7,210.22 is: 9,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.96 : 18,298.86 = 7,210.22 : x
  2. Step 2: Convert to fraction form
    13,259.96/18,298.86 = 7,210.22/x
  3. Step 3: Cross multiply
    13,259.96x = 18,298.86 × 7,210.22
  4. Step 4: Simplify right side
    13,259.96x = 131,938,806.35
  5. Step 5: Solve for x
    x = 131,938,806.35/13,259.96
  6. Step 6: Final answer
    x = 9,950.17

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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.