Home / 22,030.37-30,417.70-13,543.87

Finding the Fourth Proportional to 22,030.37, 30,417.70 and 13,543.87

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Solution

The fourth proportional to 22,030.37, 30,417.70 and 13,543.87 is: 18,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.37 : 30,417.70 = 13,543.87 : x
  2. Step 2: Convert to fraction form
    22,030.37/30,417.70 = 13,543.87/x
  3. Step 3: Cross multiply
    22,030.37x = 30,417.70 × 13,543.87
  4. Step 4: Simplify right side
    22,030.37x = 411,973,222.41
  5. Step 5: Solve for x
    x = 411,973,222.41/22,030.37
  6. Step 6: Final answer
    x = 18,700.24

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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.