Home / 20,713.19-28,574.43-14,001.16

Finding the Fourth Proportional to 20,713.19, 28,574.43 and 14,001.16

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Solution

The fourth proportional to 20,713.19, 28,574.43 and 14,001.16 is: 19,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.19 : 28,574.43 = 14,001.16 : x
  2. Step 2: Convert to fraction form
    20,713.19/28,574.43 = 14,001.16/x
  3. Step 3: Cross multiply
    20,713.19x = 28,574.43 × 14,001.16
  4. Step 4: Simplify right side
    20,713.19x = 400,075,166.34
  5. Step 5: Solve for x
    x = 400,075,166.34/20,713.19
  6. Step 6: Final answer
    x = 19,315.00

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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.