Home / 19,689.42-29,534.23-4,898.34

Finding the Fourth Proportional to 19,689.42, 29,534.23 and 4,898.34

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Solution

The fourth proportional to 19,689.42, 29,534.23 and 4,898.34 is: 7,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.42 : 29,534.23 = 4,898.34 : x
  2. Step 2: Convert to fraction form
    19,689.42/29,534.23 = 4,898.34/x
  3. Step 3: Cross multiply
    19,689.42x = 29,534.23 × 4,898.34
  4. Step 4: Simplify right side
    19,689.42x = 144,668,552.51
  5. Step 5: Solve for x
    x = 144,668,552.51/19,689.42
  6. Step 6: Final answer
    x = 7,347.53

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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.