Home / 19,007.32-28,459.86-12,417.24

Finding the Fourth Proportional to 19,007.32, 28,459.86 and 12,417.24

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Solution

The fourth proportional to 19,007.32, 28,459.86 and 12,417.24 is: 18,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.32 : 28,459.86 = 12,417.24 : x
  2. Step 2: Convert to fraction form
    19,007.32/28,459.86 = 12,417.24/x
  3. Step 3: Cross multiply
    19,007.32x = 28,459.86 × 12,417.24
  4. Step 4: Simplify right side
    19,007.32x = 353,392,911.99
  5. Step 5: Solve for x
    x = 353,392,911.99/19,007.32
  6. Step 6: Final answer
    x = 18,592.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.