Home / 19,574.36-27,012.58-10,621.87

Finding the Fourth Proportional to 19,574.36, 27,012.58 and 10,621.87

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Solution

The fourth proportional to 19,574.36, 27,012.58 and 10,621.87 is: 14,658.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.36 : 27,012.58 = 10,621.87 : x
  2. Step 2: Convert to fraction form
    19,574.36/27,012.58 = 10,621.87/x
  3. Step 3: Cross multiply
    19,574.36x = 27,012.58 × 10,621.87
  4. Step 4: Simplify right side
    19,574.36x = 286,924,113.12
  5. Step 5: Solve for x
    x = 286,924,113.12/19,574.36
  6. Step 6: Final answer
    x = 14,658.16

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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.