Home / 12,055.32-18,000.93-10,637.91

Finding the Fourth Proportional to 12,055.32, 18,000.93 and 10,637.91

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Solution

The fourth proportional to 12,055.32, 18,000.93 and 10,637.91 is: 15,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.32 : 18,000.93 = 10,637.91 : x
  2. Step 2: Convert to fraction form
    12,055.32/18,000.93 = 10,637.91/x
  3. Step 3: Cross multiply
    12,055.32x = 18,000.93 × 10,637.91
  4. Step 4: Simplify right side
    12,055.32x = 191,492,273.26
  5. Step 5: Solve for x
    x = 191,492,273.26/12,055.32
  6. Step 6: Final answer
    x = 15,884.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.