Home / 18,483.81-25,507.76-10,417.59

Finding the Fourth Proportional to 18,483.81, 25,507.76 and 10,417.59

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Solution

The fourth proportional to 18,483.81, 25,507.76 and 10,417.59 is: 14,376.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.81 : 25,507.76 = 10,417.59 : x
  2. Step 2: Convert to fraction form
    18,483.81/25,507.76 = 10,417.59/x
  3. Step 3: Cross multiply
    18,483.81x = 25,507.76 × 10,417.59
  4. Step 4: Simplify right side
    18,483.81x = 265,729,385.50
  5. Step 5: Solve for x
    x = 265,729,385.50/18,483.81
  6. Step 6: Final answer
    x = 14,376.33

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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.