Home / 19,209.65-26,509.45-10,712.30

Finding the Fourth Proportional to 19,209.65, 26,509.45 and 10,712.30

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Solution

The fourth proportional to 19,209.65, 26,509.45 and 10,712.30 is: 14,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.65 : 26,509.45 = 10,712.30 : x
  2. Step 2: Convert to fraction form
    19,209.65/26,509.45 = 10,712.30/x
  3. Step 3: Cross multiply
    19,209.65x = 26,509.45 × 10,712.30
  4. Step 4: Simplify right side
    19,209.65x = 283,977,181.24
  5. Step 5: Solve for x
    x = 283,977,181.24/19,209.65
  6. Step 6: Final answer
    x = 14,783.05

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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.