Home / 19,031.19-28,539.74-6,547.77

Finding the Fourth Proportional to 19,031.19, 28,539.74 and 6,547.77

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Solution

The fourth proportional to 19,031.19, 28,539.74 and 6,547.77 is: 9,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.19 : 28,539.74 = 6,547.77 : x
  2. Step 2: Convert to fraction form
    19,031.19/28,539.74 = 6,547.77/x
  3. Step 3: Cross multiply
    19,031.19x = 28,539.74 × 6,547.77
  4. Step 4: Simplify right side
    19,031.19x = 186,871,669.75
  5. Step 5: Solve for x
    x = 186,871,669.75/19,031.19
  6. Step 6: Final answer
    x = 9,819.23

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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.