Home / 21,547.32-29,737.64-12,597.84

Finding the Fourth Proportional to 21,547.32, 29,737.64 and 12,597.84

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Solution

The fourth proportional to 21,547.32, 29,737.64 and 12,597.84 is: 17,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.32 : 29,737.64 = 12,597.84 : x
  2. Step 2: Convert to fraction form
    21,547.32/29,737.64 = 12,597.84/x
  3. Step 3: Cross multiply
    21,547.32x = 29,737.64 × 12,597.84
  4. Step 4: Simplify right side
    21,547.32x = 374,630,030.70
  5. Step 5: Solve for x
    x = 374,630,030.70/21,547.32
  6. Step 6: Final answer
    x = 17,386.39

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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.