Home / 19,483.90-26,886.18-10,985.56

Finding the Fourth Proportional to 19,483.90, 26,886.18 and 10,985.56

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Solution

The fourth proportional to 19,483.90, 26,886.18 and 10,985.56 is: 15,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.90 : 26,886.18 = 10,985.56 : x
  2. Step 2: Convert to fraction form
    19,483.90/26,886.18 = 10,985.56/x
  3. Step 3: Cross multiply
    19,483.90x = 26,886.18 × 10,985.56
  4. Step 4: Simplify right side
    19,483.90x = 295,359,743.56
  5. Step 5: Solve for x
    x = 295,359,743.56/19,483.90
  6. Step 6: Final answer
    x = 15,159.17

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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.