Home / 15,341.90-21,166.26-10,036.40

Finding the Fourth Proportional to 15,341.90, 21,166.26 and 10,036.40

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Solution

The fourth proportional to 15,341.90, 21,166.26 and 10,036.40 is: 13,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.90 : 21,166.26 = 10,036.40 : x
  2. Step 2: Convert to fraction form
    15,341.90/21,166.26 = 10,036.40/x
  3. Step 3: Cross multiply
    15,341.90x = 21,166.26 × 10,036.40
  4. Step 4: Simplify right side
    15,341.90x = 212,433,051.86
  5. Step 5: Solve for x
    x = 212,433,051.86/15,341.90
  6. Step 6: Final answer
    x = 13,846.59

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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.