Home / 14,637.36-21,975-12,570.72

Finding the Fourth Proportional to 14,637.36, 21,975 and 12,570.72

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Solution

The fourth proportional to 14,637.36, 21,975 and 12,570.72 is: 18,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.36 : 21,975 = 12,570.72 : x
  2. Step 2: Convert to fraction form
    14,637.36/21,975 = 12,570.72/x
  3. Step 3: Cross multiply
    14,637.36x = 21,975 × 12,570.72
  4. Step 4: Simplify right side
    14,637.36x = 276,241,572
  5. Step 5: Solve for x
    x = 276,241,572/14,637.36
  6. Step 6: Final answer
    x = 18,872.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.