Home / 21,595.09-29,803.40-13,096.93

Finding the Fourth Proportional to 21,595.09, 29,803.40 and 13,096.93

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Solution

The fourth proportional to 21,595.09, 29,803.40 and 13,096.93 is: 18,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.09 : 29,803.40 = 13,096.93 : x
  2. Step 2: Convert to fraction form
    21,595.09/29,803.40 = 13,096.93/x
  3. Step 3: Cross multiply
    21,595.09x = 29,803.40 × 13,096.93
  4. Step 4: Simplify right side
    21,595.09x = 390,332,978.08
  5. Step 5: Solve for x
    x = 390,332,978.08/21,595.09
  6. Step 6: Final answer
    x = 18,075.08

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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.