Home / 13,459.63-18,574.26-7,491.15

Finding the Fourth Proportional to 13,459.63, 18,574.26 and 7,491.15

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Solution

The fourth proportional to 13,459.63, 18,574.26 and 7,491.15 is: 10,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.63 : 18,574.26 = 7,491.15 : x
  2. Step 2: Convert to fraction form
    13,459.63/18,574.26 = 7,491.15/x
  3. Step 3: Cross multiply
    13,459.63x = 18,574.26 × 7,491.15
  4. Step 4: Simplify right side
    13,459.63x = 139,142,567.80
  5. Step 5: Solve for x
    x = 139,142,567.80/13,459.63
  6. Step 6: Final answer
    x = 10,337.77

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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.