Home / 19,499.78-26,909.60-10,547.27

Finding the Fourth Proportional to 19,499.78, 26,909.60 and 10,547.27

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Solution

The fourth proportional to 19,499.78, 26,909.60 and 10,547.27 is: 14,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.78 : 26,909.60 = 10,547.27 : x
  2. Step 2: Convert to fraction form
    19,499.78/26,909.60 = 10,547.27/x
  3. Step 3: Cross multiply
    19,499.78x = 26,909.60 × 10,547.27
  4. Step 4: Simplify right side
    19,499.78x = 283,822,682.24
  5. Step 5: Solve for x
    x = 283,822,682.24/19,499.78
  6. Step 6: Final answer
    x = 14,555.17

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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.