Home / 13,457.26-18,570.76-7,488.92

Finding the Fourth Proportional to 13,457.26, 18,570.76 and 7,488.92

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Solution

The fourth proportional to 13,457.26, 18,570.76 and 7,488.92 is: 10,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.26 : 18,570.76 = 7,488.92 : x
  2. Step 2: Convert to fraction form
    13,457.26/18,570.76 = 7,488.92/x
  3. Step 3: Cross multiply
    13,457.26x = 18,570.76 × 7,488.92
  4. Step 4: Simplify right side
    13,457.26x = 139,074,935.98
  5. Step 5: Solve for x
    x = 139,074,935.98/13,457.26
  6. Step 6: Final answer
    x = 10,334.57

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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.