Home / 15,051.17-20,774.06-10,015.59

Finding the Fourth Proportional to 15,051.17, 20,774.06 and 10,015.59

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Solution

The fourth proportional to 15,051.17, 20,774.06 and 10,015.59 is: 13,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.17 : 20,774.06 = 10,015.59 : x
  2. Step 2: Convert to fraction form
    15,051.17/20,774.06 = 10,015.59/x
  3. Step 3: Cross multiply
    15,051.17x = 20,774.06 × 10,015.59
  4. Step 4: Simplify right side
    15,051.17x = 208,064,417.52
  5. Step 5: Solve for x
    x = 208,064,417.52/15,051.17
  6. Step 6: Final answer
    x = 13,823.81

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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.