Home / 18,312.63-25,271.96-10,354.68

Finding the Fourth Proportional to 18,312.63, 25,271.96 and 10,354.68

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Solution

The fourth proportional to 18,312.63, 25,271.96 and 10,354.68 is: 14,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.63 : 25,271.96 = 10,354.68 : x
  2. Step 2: Convert to fraction form
    18,312.63/25,271.96 = 10,354.68/x
  3. Step 3: Cross multiply
    18,312.63x = 25,271.96 × 10,354.68
  4. Step 4: Simplify right side
    18,312.63x = 261,683,058.77
  5. Step 5: Solve for x
    x = 261,683,058.77/18,312.63
  6. Step 6: Final answer
    x = 14,289.76

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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.