Home / 18,421.36-25,421.46-10,037.92

Finding the Fourth Proportional to 18,421.36, 25,421.46 and 10,037.92

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Solution

The fourth proportional to 18,421.36, 25,421.46 and 10,037.92 is: 13,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.36 : 25,421.46 = 10,037.92 : x
  2. Step 2: Convert to fraction form
    18,421.36/25,421.46 = 10,037.92/x
  3. Step 3: Cross multiply
    18,421.36x = 25,421.46 × 10,037.92
  4. Step 4: Simplify right side
    18,421.36x = 255,178,581.76
  5. Step 5: Solve for x
    x = 255,178,581.76/18,421.36
  6. Step 6: Final answer
    x = 13,852.32

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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.