Home / 14,971.49-22,457.40-6,421.80

Finding the Fourth Proportional to 14,971.49, 22,457.40 and 6,421.80

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Solution

The fourth proportional to 14,971.49, 22,457.40 and 6,421.80 is: 9,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,971.49 : 22,457.40 = 6,421.80 : x
  2. Step 2: Convert to fraction form
    14,971.49/22,457.40 = 6,421.80/x
  3. Step 3: Cross multiply
    14,971.49x = 22,457.40 × 6,421.80
  4. Step 4: Simplify right side
    14,971.49x = 144,216,931.32
  5. Step 5: Solve for x
    x = 144,216,931.32/14,971.49
  6. Step 6: Final answer
    x = 9,632.77

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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.